Transaction not yet indexed

Am6CpcKunckPyphbUdnPizRMHpVej5yyDjSpHyX5XGi6jwJWi5g119noJfEr1jDY3wt4qACMXRRz4fJ7C9FVQfk

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