Transaction not yet indexed

21MC4bLyVpBiyKYoBjFANULqBHMSu9SEp6AcTZE2TzUbdV8JCSkx91LyBwv8LcHYHXfj2mp3ku37kCUAfPiFNYLT

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