{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x25b400e17d5e644bc8446f0435f19770288674b67b4de0474b548da41942738e",
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}