{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe15646814d8b32deff89870571f462a9d1ed1dcfb224542fb99f6393a308815a",
    "signature": "0x8921d18963f22f8db64ddaebe37e6c8afa4e2196215ad803af1d38d16a9a95d92c83a205fa2dad47711939a8e11ed686d409d18742d0bdf73683b4d7820697a11c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}