Transaction not yet indexed

mMdNmBzZdw6DreD4auMh2dNuiRCa2sg7kyV9qRpEcEfBAqqZL7PMPtfgKboD9KFccW4v6WhHyn49jSRMVz4RECk

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