{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7973a7fce5217b119f6c29c4d2df499198ce7a3bb142695f8ff4aaf3d1f9873c",
    "signature": "0xef7d4645717f0432a53a7efc0b8ac2ac66a6c68ce0556a06ec86ad6f9d77441857d6d196ca04d6d4714b488ed1611a42fdb752a084f16b51d0ca7a534a504c9a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}