Previous value: -nullNew value: +{
+  "properties": {
+    "has_more": {
+      "description": "True when another page follows",
+      "type": "boolean"
+    },
+    "next_cursor": {
+      "description": "Pass as cursor for the next page; null on the last page",
+      "type": [
+        "string",
+        "null"
+      ]
+    },
+    "received_emails": {
+      "description": "Inbound emails, newest first",
+      "items": {
+        "properties": {
+          "attachment_count": {
+            "type": "number"
+          },
+          "attachments": {
+            "items": {
+              "properties": {
+                "content_id": {
+                  "type": [
+                    "string",
+                    "null"
+                  ]
+                },
+                "content_type": {
+                  "type": "string"
+                },
+                "data": {
+                  "description": "Base64 content, when included",
+                  "type": "string"
+                },
+                "filename": {
+                  "type": "string"
+                },
+                "size": {
+                  "description": "Bytes",
+                  "type": "number"
+                }
+              },
+              "type": "object"
+            },
+            "type": "array"
+          },
+          "auto_submitted": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "bounced": {
+            "type": "boolean"
+          },
+          "cc": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "created_at": {
+            "description": "ISO 8601",
+            "type": "string"
+          },
+          "domain_id": {
+            "type": "string"
+          },
+          "domain_name": {
+            "type": "string"
+          },
+          "from": {
+            "type": "string"
+          },
+          "html_body": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "id": {
+            "description": "Received email id",
+            "type": "string"
+          },
+          "in_reply_to": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "mail_from": {
+            "description": "Envelope sender",
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "message_id": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "rcpt_to": {
+            "description": "Address it was delivered to",
+            "type": "string"
+          },
+          "received_at": {
+            "description": "ISO 8601",
+            "type": "string"
+          },
+          "received_with_ssl": {
+            "type": [
+              "boolean",
+              "null"
+            ]
+          },
+          "references": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "spam_status": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "status": {
+            "type": "string"
+          },
+          "subject": {
+            "type": "string"
+          },
+          "text_body": {
+            "type": [
+              "string",
+              "null"
+            ]
+          },
+          "to": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "id"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "received_emails"
+  ],
+  "type": "object"
+}