{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xda9ee6e5fb46aa36974d6f57fd79e3d167d52603529a7ab849908883ae82a61a",
    "signature": "0xb9004f3156dacbae7f78c495083e01b5c8c4a24f0b16e35c5ae6014c833e4c06515d443f7344baac38b1fef5611e0f40f06a8e6ea27481c076e068dfb8e7dca71b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}