{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x7c38b937f53fc340b21cb478e3ff02d618787460b6e9068b56e3a5dfff4adb2a",
    "signature": "0x9f474ca2a5b3bbf4f2eb0832910776becc60255ef53cc3185adba0c5a86925fb45a7bb5ff7df2a817d2babdcad8f9886b738ae0c37109191f0ca77073f322a0d1c",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}