Transaction not yet indexed

21d6EyUXC4tAL5iDM1Yxoe5QtUPaShFuuXHequze6nQ1sNhKXUXiU36dMd2TWKp3vT26LXb2cHsVvJSx8nVKMdGH

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