{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395354603",
    "entityType": "User",
    "nonce": "0xe5876716ec76720e4a5fa77b3ae71d5b75336c5965cf4903d97ae6589666e4d6",
    "signature": "0xdcfa001d6d7b306f2c2b5ecaa327b1dcff58cddc6b44fc13a352c80cee08fcc533a90633acff7459c32ff44bb461bfbed9aff447de832f47f45021490254b2e81c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}