Transaction not yet indexed

21UmTfapDAdSFfDxKZSQ7rSJex5qE2EY5JKMBvWB5JPcmkqfntifWT9ocu2pyFnTBa1SWkBwvQUfpqBtpGA1YucM

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