{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "957488166",
    "entityType": "User",
    "nonce": "0xace49f41fa44828e5b8cd82101a46480ab98c406cf2c5520226887a7913cc63d",
    "signature": "0xd4491cd633723662fe6a054e48e7ced9d04a427b1b9b965899c0bccb967f75f735dc8e20dd4fe7fdc1fd37612fc73d02b68cb814fbbd6caf7fe48b75864544d21c",
    "signer": "0x3872417aC9CCdc743F396f6d7A6872e91dB934d1",
    "userId": "701379462"
  }
}