Transaction not yet indexed

MPxb63irf1GFpWpq76juQAciuVi4jrVBHiHgJhef2a8YumpLBZb65QF42Q7tYpVuMV9mvR86uAW8pRY5cyH2yvx

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