Transaction not yet indexed

MUH8NfwfFjfvGZDd6ixHvaBQz6yL1hSmhtuk72vbJHKFBphD2ZxGR8KnnWdFVm2VXeSaWomv6smdTFbWoCHdGsQ

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