{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "153947",
    "entityType": "User",
    "nonce": "0x16ac25f280f5f7d7be53b3ba90328c5df45ca3752f091f720ff9f0bb4db934ee",
    "signature": "0x2290571f580ac337c14e0113b020b38a82a40d2e58d43eb5a17629852d8c38682717d685586d9feb3c9b527394c4a59106483bda12ee45adec5f1c0c4b870e6e1b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}