{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcc1eb584b04cbb2f5c7c8236415872c44e8c6a02ddca4a06691766892ed2d38d",
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}