Transaction not yet indexed

Mu2efxtXRVLer1jt3u8uwghyiPL7B7eLECPstk6riNo71iuKsWLuATHBxMpsM9Kr54qUwiRWqt9vy8cLLm4iYBK

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