Transaction not yet indexed

AQ21h18AcFraiiLCquZ1kRDjezprDANkb6Nx266yPi9mYxG5CMLHhKduLLtQqJ5GYzMrNDGxJMLbR6zaGC8CwPt

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