1  {
 2    "$schema": "http://json-schema.org/draft-07/schema#",
 3    "type": "object",
 4    "properties": {
 5      "id": {
 6        "type": ["null", "number"]
 7      },
 8      "action_type": {
 9        "type": ["null", "number"]
10      },
11      "created_at": {
12        "type": ["null", "string"]
13      },
14      "acting_user_id": {
15        "type": ["null", "number"]
16      },
17      "acting_username": {
18        "type": ["null", "string"]
19      },
20      "target_user_id": {
21        "type": ["null", "number"]
22      },
23      "target_post_id": {
24        "type": ["null", "number"]
25      },
26      "target_topic_id": {
27        "type": ["null", "number"]
28      },
29      "target_username": {
30        "type": ["null", "string"]
31      },
32      "post_number": {
33        "type": ["null", "number"]
34      },
35      "topic_title": {
36        "type": ["null", "string"]
37      },
38      "slug": {
39        "type": ["null", "string"]
40      },
41      "category_id": {
42        "type": ["null", "number"]
43      }
44    }
45  }