{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x07452867a49668549b78f2c1b51f548cb5731ef41ea1b63e7d8e93d7a58c8646",
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}