Transaction not yet indexed

21LU2cwSyE1tjdwt72LJ3JCLkCPQAyQKVwchXp7kCb5kDP9i6HEVSpszzg6gmvZArGHvBTGEErGS33in4eUZYyb1

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