{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xc85cf8d6e66c031bfd44b8487215c1869910f1d9b724e7ec0a4f1690140810a6",
    "signature": "0x9e375907cfd5f25d860322e5523165abdd0267ee62a99165cb6f070bda35e26628b4128752858d12fd88551fdf25644dfdeb11a60bc09f5daa7fce9405cb39541b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}