{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x84e644b230114e15fe2c88c76abc50fca89bfb78a216ec00933efa29b75add22",
    "signature": "0x4a622417d35877721934ca2f87e25dc2afdf776c4e8101745351c3dc40ee7ffe4584047e97c8327e8373d99072a60bfdf67117f6890f1ac79925f808d1c218911b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}