{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6838047b70c5a5b18716406c96d318b7d42bcb5b6e8c6f3e6ab803c419abc7ef",
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}