{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xbca0f15f53af861c5edc87d3f7b15ab8d5e9e36074b830385dd5b029e446ea1f",
    "signature": "0x6141f5549539f74f93f574020642bd16fa8215505e189b67a90f7692722d0bcf264fc1f99a73aa131cc5ab749a036a621a4baaa37581ed7bba1779c139758dbe1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}