{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x89984984e6f2f7d811c36e4cc5ef9cfdd6c09db8665a4be84b11a262d329ed8c",
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}