Transaction not yet indexed

6421CgRuigz3ZjEa5ELx24aKyEnS7u9E3R2QokTSy3TnjpoiykVyeLhgH6wDvTD1exwJycfPDdASYz3bWw4bVCPS

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