{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7f752d2a2109946d183f15cf6788d3a7a3ebf63ab6ab224fdfd6c5dd85b0568c",
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}