{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0d4cc958946d7c195408c8ff6c2d5bbda12612bd86233d3730fa6e9c66b7db4f",
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}