AWS Transcription error

C:\Users\randy\Downloads>aws transcribe start-transcription-job --transcription-job-name testingTranscription --language-code pt-BR --media-format wav --media MediaFileUri=s3://test.com/nine.wav --output-bucket-name example.com
{
    "TranscriptionJob": {
        "TranscriptionJobName": "testingTranscription",
        "TranscriptionJobStatus": "IN_PROGRESS",
        "LanguageCode": "pt-BR",
        "MediaFormat": "wav",
        "Media": {
            "MediaFileUri": "s3://test.com/nine.wav"
        },
        "CreationTime": 1569997500.483
    }
}