Transaction not yet indexed

MtR8piuuo2e5ufKQ1iJGDvsRVatFKkGkEAbkBBugipCUJLrmQRFz6GRqbGbHuU9fnkAfCV4yExKZDqKoWJspsfE

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