{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2c484414d1b643b10ca9d2d86091b5c687bf7883ce5ddc94103882507d55df22",
    "signature": "0xe64a6e5e615571a4a0dfa4407056b0e9fe76f8fb31eecfee15c84109841f8e177a7da93c402803011fdaa0b6baab3a4ff6237c45b1eb4e0cfd979f8c886496121c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}