Transaction not yet indexed

21n5CxjRvBCV2HCQX8HvD213LSfoXWNfeNyCNYPLQFp6PDXU4y1vWEoVqGkRFAR9NFX5JUaY8N2dxYkE4QQ4YuEd

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