{
  "manageEntity": {
    "action": "Update",
    "entityId": "1473710553",
    "entityType": "Playlist",
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    "nonce": "0x27633c8514ddbea1ad29450386b77dc23d7355ca34803d922106cc9145a661c7",
    "signature": "0x42fff02217adeae9c0fff3f91499a9ff6c2e1b205f74aebdf17c4adfc29ff3e0795358bf10e8aa12d17c0a19deb891ebc54b1c13e6d91e5db65ff83b45da8fee1b",
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    "userId": "550138957"
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}