{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x97905f3799a219b73a8a19e6c66f51b3eeb7f1d1521f6ccb583bcb7686342b56",
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}