Transaction not yet indexed

21CUyMym78jnoDdYt3SEoqSuvqP7CPmYVq5GaqAhbzUZx1BjkH1CCgUN1WXtcAWFdiBExsTZGLZFLEvn8Env2stK

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