{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "415165487",
    "entityType": "User",
    "nonce": "0xb257bccd3513d8bb85c793a1aa6410e39952324fe8d747634130a7a2ce886bb5",
    "signature": "0x4dfcba3ae3ed9045cc3decff30f52937e70e8410cc04f7ca913c4a298847d2cd3a38e28ec27d18e3a4e80bf47fd87a4318b6fcbb88f1f72d5ea5621fca8a8acb1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}