{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71430",
    "entityType": "User",
    "nonce": "0xc40a835e8f8af77b0ec935a156dcd6aa554d1bcd52659073316474d3144d946b",
    "signature": "0xc32f4115a057e1ef822e4c923ec5e3edbc63dc508c33a53c466c228ff9baed8e7a254bdd4189f05ebb21e0d91b17c15f7ba5925b3b01ac1a170a7372b3aae44f1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}