Transaction not yet indexed

66i21fBigRXVAyfvbsxmZMvoCUCujqpkrZLGb5nebYguyyffLet3eN7ZMqou9Z8jv5HHdE7FWjFXdJKq2ejL9EyU

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