Transaction not yet indexed

21Mah1gU1vsA8t8mHGuJK3TY4h1XTP8fJuaCFCufLCV1TtQHiy7nGUdqgYhghbikfZLUdDfuPEBmBNN7MAGbiCFm

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