{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x597228c43279cc4147eb2d152dae78ed97e006d9669d6e55c759f80a7e1920b6",
    "signature": "0xb2a076e70509fe7b241b4d2e8f83ce2f7e3dc2f5a13b168c2b8648416f2ad5e139745cd8e6a33fd886f4678b48439ee5337ff361e3c58a26439a689746490a8c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}