{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "799948905",
    "entityType": "User",
    "nonce": "0x2afbd024e9469e623efb77ae048488d2cce717a0c7c4653cee04fa0a729f7b8f",
    "signature": "0x173401f3480efbce39b3e6ed4745acff342e7862d038f6e1b3f30bcd2ca6529f3e5793ae5ccb2c82f848edacc2a11c3141f36926c53347a799cca773d0a16df01c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}