Transaction not yet indexed

21Me7isRYN2WbwS3M1ZhTyEhHuH6MPMZB3EMsUzcT9sJJGWAGWgC1N5v9kR6bQon9PZdQrYAfWmhRva4pmEt15S4

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