{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5580d7a71a15df2535e91e9d50f2e06cc167f6cb396161ff6686a1fde21f9e9e",
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    "signer": "0x64B0DA55A684D51d3EF114Fe644eac7db132fDb7",
    "userId": "121304325"
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}