{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3d481e9f180431c62d69267a5ded786841462eea182041e5493770e6eee05042",
    "signature": "0xacecde7f41214bb341dede5394eae7445d88c9a494723ee123d0d91ed96cc2c206dc6cab7a7fd2738038e44675e6a83aacc9a91f2e04c3f46d8f0014fa1b73491c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}