Transaction not yet indexed

21Xb1fWcxY9rCn9MiPhnPoHYYj2kvFwWMG1mXBcg2zJpFHPm7uc5QxCsgXAYLJDWSuyGFynqNAQhbfkoJ9NV6uRb

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