Transaction not yet indexed

mMu1xswfSerUHTePDDRCtpwuuytHq9sFdCpxnB9cMoYnexMtxf3vGgoBUmh52RxUcUVNcA3YPtMcGpFej5a6djZ

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