Transaction not yet indexed

mttZ4MAjYU6uiQpaZZkdF2UsgLFTfacfmmd79csyKXTWRKeMo1xBQeZVBzLykDYnyC3MMU1LB4AgtYUUX1hrcc4

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