{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6f92a6d528abedc8e380e39f4342cd5bd6802e2bca3bb291ad5251bee624227e",
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}