{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373948",
    "entityType": "User",
    "nonce": "0x03685c979ef65100b75f62f961c140fc9b6f9d86b8567e00b9f9105e2c79f10c",
    "signature": "0xd97150463b59aef1c5cfc75645ce62dadcb38a9e792fa508f04e40bf0c53d0fa2bfcba4779133ab9954501ec1196c383ec58256268da245cad4ba1d23cf4440a1b",
    "signer": "0xdEa655B0BEDD55605f1a7F99e27f7c00610c0B32",
    "userId": "594690301"
  }
}