{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1b88c8969fa7dadd6f2b8d7d1067c0a4a6547c61c2e31b717d361255a7525235",
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}