{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf24c6f1491ce6f4f857b90c68ccc57475342ed20042bc81fbbcdbe32af279cc5",
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}