Transaction not yet indexed

1Mus1Cf31GAyCHkdw7VpdLX4SLQtFBze6MPemNtAPbnvfepRmDnV84ALcwm6pCmrUfsoNtUGUuX1vSyF5ZydRVm

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