{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x73a63ec2c8e5885888d4ca0d38a9ccbbc2b2f48f2d826f844010718e2e777065",
    "signature": "0x1e6e87bfc4ce354c4d86031fdd3108700fc6cee459cc59221092589e687ea47241736353f0b64094b18ae961f752bc6af57e27487372ded8db9844d655e262491b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}