{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x55103116943c07942fe8021a48e6bed22e98305ed728356445739b440fe47484",
    "signature": "0xd4a54bc6c1f3f03688d8650a20608539230cb64878aed0b14c6e6ab1253581c228f9213fd54fc9ab7f60b3ecd59cdc47c8d45ac7cbeed905e8e28fb5d2e1b7961c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}