{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc5b234bd9357df1d5dffd0e3d9a43c67ce84df4e68bd85113a18d66920b0243d",
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}