{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "99382",
    "entityType": "User",
    "nonce": "0x17c8b6b35229b155ecacb176490f4d68a16e4ebfeedf25dbed3e42b407c6c674",
    "signature": "0x8e841fcf445162d0b91e70e057f48b81259e20d357aba3487b092520e394c2701661d1b784da9b88e4fb2508f62c35caf3726e9a8510589abefd5f4223ad2deb1b",
    "signer": "0x90a4E3CfdfE7364e38514BAb897Ab71a4FcaF6B6",
    "userId": "270793362"
  }
}