{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8c428f7d8a96cdaf127bb50f74ae430d508d9e136e52d103f222a819fedd90c4",
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    "signer": "0x066577924521E19882e2104e8f6ceD057252E484",
    "userId": "422787902"
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}