{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58531",
    "entityType": "User",
    "nonce": "0x9819f29f3933705faa9ddc9c866e1fbc157d1433acffc655cffbc059995d9fb3",
    "signature": "0xe18ba682bab4343d4b57ea95b1b6a8e7092e719d5708facc229bb6d5442f72b703f306596078f74ddafaefef7a243eec00a0644aabc75a957319462fb75f159e1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}