Transaction not yet indexed

Mu6CXvkcW5bbbDTLGEwpnFnA5JugNP7MtkZvRsVo29ooAjSCeuPpWruvL9PkxmxShVoRyHvko9uauWM1Lkn7msY

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