{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xefe942521de05cf88d5a194593d380a3760380157e87f54f55e0d58252c5ffc8",
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}