Transaction not yet indexed

21u99vgaS2ZPJXG65fNSQAAKhzS2mQ45TNwB52ahK9SH6AcbMHXx3WVBzU9HA1ZMGMQTabw6Dey2HZHXVpUqU9PL

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