{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x95f516db7d92968751afba564a7370990926e1771c251661c1f7955b2d4b6895",
    "signature": "0xd2ef5869c5e4da7b1f984e233022e4579c6b436d8c4561c68844624c3ff0d6f81e3bbbed2ac79c8d45b5f96bd91c180db84d1f57905113ec6f03fc6684ce138c1b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}