Transaction not yet indexed

2st964UnfSmhH51qFwdJWjuaNPzCnPGUeFNrQKdZYphdZeevjW4e8ygUio6ZxJXEnwtrxzQS2zq8tAFGWJNPSRVc

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