{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd15bc37765fbf1d98d1bb8989651d5e40b9bc433dd0dc61406a9d501e5d6c881",
    "signature": "0x3bf34cd22e7c38b33d887e85284ad5979d98b97645dcf1b540f80a9202e7b25d62090b95e0e9f3cd1629d6e0d69853380f1bf94c5fee32d16282a1a8a7314ddc1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}