{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8b602dd3de0a459b9795cbd1710986656a8962463c2265aa3535c8d84e8c7841",
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}