{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc3f2f1d0f827265f6bf60079b71099e7b59faccf9bb7a66cac288012a10540dd",
    "signature": "0xefbab6ad714e724563ea7d503f37db584ce975d8ef6309bdef60af4ca0238af56c6d4781783430effea0f30390f44682b9ece1ccc295a3758d530cf8a2d5dcf61b",
    "signer": "0x86beE5CDfE71314F9Df4d339B0B957aaeC4248a2",
    "userId": "793352718"
  }
}