{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x83fb4f229ad879582a371c4b59acb624f3ac59bfcfe36eae5aef37626bdd0ce8",
    "signature": "0x16953b5ad23b3d0acb4740aee70daea9b77248aef81f3cdbabaf7309eb5b124e3e02fc3b704edf3549216a6a1ae6f9ac02424ac63758d85f7d4bbf5c6329ebe91b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}