Transaction not yet indexed

MStM1FVYziKXx3trpDwoWiNhnf29xjVYbdat66BSTM5xpZaaph4Z8fEwMfLrgVsQQNxp48oc2ZSkbvXdnUZJyLR

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