{
  "manageEntity": {
    "action": "Save",
    "entityId": "646434696",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1f2d411d5bea8bc03010509ca2a3332f6687d7be9d315bb939853718d9612e38",
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}