Transaction not yet indexed

MTHwUd6NWjxKLpDruorbg5JvwQQwsCvmiL1x5cXvpRBdijRvTteSZwqFgSCg3vEUTQKGHAQoUPVb1sMgBs3MpE1

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