Transaction not yet indexed

WMtSfaXpYJm7SeoEa2Zywtd6SMM7xhUa485oTq1aeMLz6vEQ3PoWusTdEce5JGDHE73Fcnb1FuYhkcaZMri74sa

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