Transaction not yet indexed

WpfeJSLu2NUp4x7vUHGqnhfkfP5NtzPYyr8AMB8Qh1yWDP4bEExny7AQz2fN3BZm44RhEnGMTLMZP6Ue8B75Fxa

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