Transaction not yet indexed

MtmtT3PjcQF8UsiSKNb4UYVooicv7UGRP19HVJ5HZPvrJoiCFcLYNooqDSGVoEKpxkmmULq91gn7uFzPnX7nJUc

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.