Transaction not yet indexed

1621R3AoAEXRWbEtSdzFVn7ka9ChCZxHh6rxTHt2At52k1q5qYaKn8hxXdp3PC6eWpaGYsGhUpMsf3nL1gfop5H

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