{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x60df0a60ecb5077f4b72e0ff08f124585b6bedffd10f3149c9dde9bfd0db5ba3",
    "signature": "0x5f7b0c320792add7974dc766d11811cccb54eb81f5e4ee879be2951104bdccb54c4b07638b4a6d538d52c17e1c2b2d5ad275d97f2211c681d990d898b5dda8fa1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}