{
"manageEntity": {
"action": "Save",
"entityId": "4281",
"entityType": "Playlist",
"metadata": "{\"is_save_of_repost\":false}",
"nonce": "0x9c02d968e6460ddb95d73ed59bff6d69a3ce878a5ea3cd8a7d39dcf104ebe638",
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}
}