{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbf874129170a3ccd4783c23b8bfe9289e78b988b4481a7aa0f46c6f4654ad7be",
    "signature": "0x1acdeeda0797c59c0e0fe2ebd04c048a89b2a9fd71689e9d3d8dbab6570f9e891bcf7022db6b095aa582a930808fce1e38aa089ba822bc22b8187e2f912a9df61c",
    "signer": "0xa3861Bde44C7a83411C7CdA6C5b5951356E29C39",
    "userId": "821699550"
  }
}