Transaction not yet indexed

21TKB5ZbvZLJZQABkcJ4a2jqeFq4g3iYaJbvcSjvMQ7RudSf82scv8qK7tabj8ULWc26ZDELhxptBVWWdDMV9zVn

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