{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa29cba5ea52ba22d05e32a87282ce49baefc8c75821b777b4f9dadfa8e95f684",
    "signature": "0x42ec6a2f2fe90ccc27894d27939e48e54e3a09b74b2d92dfd9d9b6748849b0dc3519489e47d1083456e43848c4e4b74811e0e3f470b89bf5c786b15cfe51413f1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}