{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389780",
    "entityType": "User",
    "nonce": "0x614364133ff2008124ab5e0a2bde93b9855df1720f3f4eb2c12a053bef06c077",
    "signature": "0x057287125b9fd3e79e3053aad0f0d8270adbf9aab71beb855d85fc5200c9f2d9452cc495f377271c991e1c05014e85311c4c217f1ad4ccb3cddb063691c72eb41c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}