{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189474",
    "entityType": "User",
    "nonce": "0x823a067f32341582c42468a0647ff59800c8ad17272ff3038d87e4704eb8732f",
    "signature": "0x04a3bfb0f1f519b15a9df646c2f63a4dac038e3117c7aedb0aa3ddc960bcf92e75cefe6afd5ffbe3a053a3e494a035e5705e159f6dd4b35379b9a44e00c1c0871c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}