{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe636d544dd2e1833bb278e7068b4601c4555411270b5f255e282481f79d6ec7f",
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}