Transaction not yet indexed

SiMtyywfeZvjZXKyB7QuEPXugLmLKPkEnLLb5sNWoJhqM6toNmSno5k6WBoc9q2Epaf1SSdXWpHTxLTkKQko2MQ

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