{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2e157acb11ce74c6ee24b8fc0421ed52b58664ba248630ddc5ee1fb15fdfa156",
    "signature": "0xd23ad73cc2ef5d156af3dccdde30dd4b3c9876049dc57a9c636eac7c92a545041a603e05825bee27146d5b2140d0dbccb20f7c733fc2cedb1cfab6f87796088c1c",
    "signer": "0x829c2734B41d40dfdDDa7868d4445498F10Cede4",
    "userId": "628148454"
  }
}