{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x1ae9dcb64d705a7cf696be815d12e6010ae5c181a4a7f364445e46b8e799a1bd",
    "signature": "0x9fb69c06cb66a73d7df0e5ef8797326f0cb34a104b1834ecd48d2c3e7164e35a718f3c8c84845ec700e6f64bd7ca19b4dd5bcf15b4f82594c7c7f4c6f050412c1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}