Transaction not yet indexed

u52wSL8TrZhNQL3yK3mVanzaHi3LzWfdT3RTNhkMH9bK5MmAs2fdQUSJxRoZDzkuxQzV9Uk7WBAK4ZEQT5pNcBU

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