{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x55f6b9a53ff46c79a1905ec4a6fe628a578b8295f3880a5ba7747863258d896a",
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}