Transaction not yet indexed

UMqk1t4WRTFvF3AFQwgt2zEAZqLNxN7rJp1jiTSP7Dzp7QjCY4pDSWAcMdM2wmwsBT1KTKXeA4o2DCFKheyAPgJ

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