The format of the messages. Supported formats are: JSON, AVRO, CSV, TSV, ORC, Protobuf and x-www-form-urlencoded.
For self-describing formats like JSON, the schema is auto-detected. The body should contain of the message should contain the message itself, which should not be url-encoded.
Messages can be compressed, Upsolver automatically detects the compression type.
Supported compression types are: Zip, GZip, Snappy and None.