{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281470566",
    "entityType": "User",
    "nonce": "0x059bcc9bc62a7157e1582838af4a27c821aa7c9df58e054399758025ddc5ac97",
    "signature": "0x0e0915c7f88c09f3be9459a9aa3eecd0707efa63872b3ea22343afb02a44acb849850462e41d10e29e6faf8b988e431d9e58952aaf0454154366eff751b0604f1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}