{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43430",
    "entityType": "User",
    "nonce": "0x42b169c0cfa04db98d47790e3e9730b9e4b915670674422285bd12999f4a3a82",
    "signature": "0xb2a3d90516473229e43fc45640c875604c11eb0e6f2fbc19c919ddb75aff2ee656567739d05c76e3eb50355a6ac79951f68723953ee23922161aa4db6fe74d291b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}