{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x628949c1beff7ef1baea2dbef4ff27ea1cbf3926f915f8e577a817bc0f181d11",
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}