Transaction not yet indexed

28XuSQuH7hvov56NuQuohMp1QAMmcppowcYXAaZ3tqdLpjVcu6LdF6wUbABS5gM1pcCnt5AGcTB39bGWq7SFCJz6

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