{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe1eac615c4ab659634c5382477c15d679be8e06a5bdfcd494fa710dbd0c6f8cb",
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}