{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcdf925263400598c1a7761565f6808c03f702e3c43c03407898c5a36db33d52e",
    "signature": "0xb2f39905998876bd3f8a031e443af6d9a92d3345f91e3568a6222ec140c40b3e1688ea5009a96ff6d55f766c71aa7e02691c1fc1cf940546ab2431ba1f48e02c1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}