Transaction not yet indexed

21Y4B4vuGvC88t6B7ZWtgH54zY4M1ZxwTHG1HcotfJaEFq5fXUmhUn8ZTRh9CARevRyzr9kummCLS1RqHWKxueN5

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