{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8f36b8409c3be4e19a96d896d2f25df2e75d447c153b5efb46c40dcf4a6e92fd",
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}