{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4adbbac06f62cdb9ded65c987872ef269c7e0a29b7fc1a71a8934f451df11970",
    "signature": "0x25e7c409f7a4671d337f0c0cdfd1522c99b7f601778be57322442ac8bb672b605c769ee99b56608d02fc79afa78df3e03c50005aa474bb0a5b492d7036a0db6c1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}