{
  "manageEntity": {
    "action": "Update",
    "entityId": "1699444899",
    "entityType": "Playlist",
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    "nonce": "0xe956a8c5a7b4368fabd2a816327fe16e8a17c90e4f71315eb9bbf1830fe8b1d1",
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    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
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}