{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbf5fa61bf51b97ff69945d1ecfb24faa6fdcd7b6e4a65e6a8726480dccdde0ec",
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    "signer": "0x20F56c0380777922119ef8835dc4D292cF777768",
    "userId": "28591735"
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}