Transaction not yet indexed

Yb9njc4TPFWsgnuUT9tV5ZXrBR62BwMjJSGq6dURFUrT6mW1Vtk6KvpQWha8ZEuKPPxm8nWFQVAaAWxX2ATZyjb

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