Transaction not yet indexed

MtBLMySTYM7YQ3uFCkK6LCBUzcnoUe6RyULTrM2p1pPTudCDRY7RjVZeZvJXNvrkKDP8SpCibNRAtCUqGX2E1G4

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