{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfe7530a72c2f404ddbb4657adc880d573c34fbd146fae472ab5ef2a3c8f94a94",
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}