{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8ae65fdb1a02fe98edc1929fa053c34087949b209ba8d37e4a6e77c920c855fb",
    "signature": "0xba9fd7e4982ab4fc356bc8a0bbee8d1d69f7def1ea66f4aea9e7e8406c9ab0be4f0217957c4cffddef87402b9e54bc60031ac368bbb07736cfcc8b46ce3446591c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}