Transaction not yet indexed

MUU6B6aBraBqUbLKPE2MKAtji3CRURfz5rByqMkRK2MD89AtFRbj1mzwuWLKFTZMeLThhnjwRCvV4pexgUBMDa3

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