Transaction not yet indexed

MKUrdAYgKDQUgUhByRFJLP26JUwzPbBLrj6Aiur5ZyVcVNZCE2CguBq2poNGKU4AWkpXHLJEuWrzpxcGHupqpEJ

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