Transaction not yet indexed

21ZAaAg5NUBJayHeJwRED3Cm2cGDKV6K9JBPtCwvZvXnqeXwCXvMXEMCgo4GWLDkyMvxFnRHT8cfnJMk5bjBjk1B

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