Transaction not yet indexed

21St4eQvpkDwoSR4STtbHT5LqMT57jZyG3oLQX2qMRDToKuakdrhSdKqGL5qFctobmWik4g4uqAjAfQo576cgw3K

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