Transaction not yet indexed

Um1T34tVwk3ZtLwsheYYMYok2kCERx45HFSMfMz16wFyjJrRntfYfy8Pz5D78DWq4sLgM5Ak9Ldr6chAR9QheMM

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