Transaction not yet indexed

AMYKB4pL9SxVSCdrEHpaHzc8gZutQ2LzvmfavmAZNgPPpJNLygCPkKk6JsJ3SgywzPSU4u7shrxuGZaMfWa18iQ

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