Transaction not yet indexed

28UpGfCBQ1H9UUdoJqCf5zuJmkBjiYnWrdt4SMSRwTmnvoExt5Z4vLSGU2T6tVmMow32oAhQiW6YPHJex9jaG8Ng

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