Transaction not yet indexed

21F55iPsMw6ZKuzxSxCRvmF4VDW3jVfsZe1tq5KEMnEcQoKwXQPvq6FJrHYQSmaUR5suSj9jCwLmZoN1jHqjLTph

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