{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x626b002f29210651eeb176f25bf3b5d197cb1cfed484bab47a21cb273cc2d825",
    "signature": "0x491defc53b00b170a76cd72e7a6f273a455ddb4d2f2588cda7daa836cfd3150b56cf83d57bc335f2fc96843193aaa8dd508d242c9d3b8430e20d5bf1362b419a1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}