Transaction not yet indexed

21MdcTbQU9re51LYJe4TNKgNRL2kPznSeZGoXqhJSsn5aDSF15qs345KtXaGsBNwiWjPnsNAPwTuaChJxpAfFUyY

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