Transaction not yet indexed

21AvuXsGqwVnH6u6EVAaMLCXCRMex6MNVyyC4qCP6KAS91Hf2GrhrqixFxKGu16rXV8AqYY9ESpr2uuTF3j7iUjr

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