{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xae80d2afdcda415c2cf274f38160bb686facab4e4c69212a408e57bd63dbc5d1",
    "signature": "0x4b51fe568f83fa2e24434e3ab1bcd83e0557f8d986771056d12cf9f82a3055f71b971fdd10274b3aa084670cf78ca266e1bd7d4f8e256c65b5e1f5c386d85aaf1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}