{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5147fd3858c93cfa1faeb624cc42a88115086e40e1ee3f606c1bc131623350b0",
    "signature": "0x794a58dea6cb655f9ee48efbc564e253c03ea5aae1069c75a2265b58e5d11c03686dc6f43dad2491bb08d0ca47290b88b078e4e6a76e89e706532804b05bf9fd1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}