{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xc1749e4839f8816fe4ecc1b2edbce103985874db878be372a68fbf28d4121d8c",
    "signature": "0xf7c7e8c1b2c9da998583a2d629500774158a5a2996e1b1e68431c6c5e49fe99612cf4e7aed1551839929861126538db603ef88fc29e68b68fb29f68c127fad521b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}