{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "186139300",
    "entityType": "User",
    "nonce": "0x4ca8446d6fc54b65d8cad5e5b14defc1dececb485f39fc73fcd50f73e43a449c",
    "signature": "0x660793d12cf3482ef440f788675386faebcd3f32b17964a7eaa3a2ca500317225e3e7e9563d61f6cabe49b2e494351b5c20c74f89a1edfe21f78a17e48c7478b1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}