{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfc45000f4540d13abf254192b627e9d807e8d3210cf8471592d09158929fb3c6",
    "signature": "0x27d6572e53e078f240b308b8239d5e9900e15746de318eefd8f523af665950084418d75494c84c990fce5df11b5a4b0fbf5795677c46fdd81405b8f9feed5dc71b",
    "signer": "0xf8ad96AE003e485f45265bB256B58bd9Fe610186",
    "userId": "804777284"
  }
}