1  {
 2    "$schema": "http://json-schema.org/draft-07/schema#",
 3    "title": "NativeBalance",
 4    "type": "object",
 5    "additionalProperties": false,
 6    "properties": {
 7      "timestamp": {
 8        "type": "string",
 9        "format": "date-time",
10        "description": "Timestamp when the balance was fetched"
11      },
12      "wallet_address": {
13        "type": "string",
14        "description": "Ethereum wallet address"
15      },
16      "wallet_name": {
17        "type": ["string", "null"],
18        "description": "Human-readable wallet name"
19      },
20      "tags": {
21        "type": ["array", "null"],
22        "items": {
23          "type": "string"
24        },
25        "description": "Wallet tags"
26      },
27      "token_symbol": {
28        "type": "string",
29        "description": "Native token symbol (ETH)"
30      },
31      "token_decimal": {
32        "type": "integer",
33        "description": "Number of decimals for the native token"
34      },
35      "amount": {
36        "type": "string",
37        "description": "Native balance in smallest unit (wei)"
38      },
39      "chain_id": {
40        "type": "integer",
41        "description": "Blockchain chain ID"
42      }
43    }
44  }