{
  "manageEntity": {
    "action": "Save",
    "entityId": "14172980",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x156e8e403cd23cd486f7c5dc97f4349096d1e9b214dca7734a7fd2b6759ba251",
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}