Transaction not yet indexed

621FmcgVgax3ZzknyRAZf4LmUMCRJTdYxTC5aFoBV9wQCSSXPJBfk8cTgv6Myq5AjNBm3NNsnrHpzdCPyBRfCZ55

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