{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa647e973c227c147df3e48d1b604d43384ec6dd4f4c1f5a296563bacd8ffa931",
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}