Transaction not yet indexed

642UmdVynzGc8AkzJ9FMUkUFEtweyDhzxwDcCGX8esVo6Aq1ahYjGTmVJmW3zsGTY1ejfcMSdgddpyFscpTZC8NP

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