{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3c3a4452f464fde755292cd5ae59284cc8955f272f7c738599124824806fc1fe",
    "signature": "0xb6823a74df9fc0ca9bca8345208ee3a08f2715649232fd44b5da9d1736d97d6f3d18d9fa5c809c88dfd6131f8f8291aed1236c07b9445ccd1da8ca71fcfc49c21b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}