Transaction not yet indexed

21c4HstUj9P7pUQjtSLjvSe7AmGxqyc1wG9NKWrDzg2iRJLW8BqUfSuuWZEniu7uv2iUXE8hibvCV3qQ6gm6iWsh

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