{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89918599eda5b4bd433df8f4de9adfe352d4e5b1348dad7952d58c26d77dd84a",
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}