Transaction not yet indexed

28SmkYpUsQbZnGCdQDg1e2CCEf16k32uj7f7V8mfGJf96pm8fwpdtVbdCJRrPqyqcdtVBtTDvMRS7f7nZhssYpd8

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