Transaction not yet indexed

21Sp4pqdZHgkC3THoGxRtmzwaynQiiVJz8kg7dS9d5QWyUn5AgKt45T5WTFHGFdsb6kxcRUVv5MSQAjJN4HGuSvw

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