Transaction not yet indexed

RP6Nk21x2KbUjefKp1nLyJcSjksK673TJGvoPqc3Q5zLCCPi5t9L9uBY4T1YAwNhLa3cZPcuVKpL8xpndbGmc7o

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