Transaction not yet indexed

21CouwGwizNENtvG7a5RhcAPmW5VYkQokCXRFbCxpsdumNAb247R9YFb18p7GLMXPrFFt1WQpFfKpVaC3pN6PuhG

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