{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x10c1bc67d2ffe28a72c0aa8241d066b857d4ea2d91996df2c21548e4563e1192",
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}