Transaction not yet indexed

Ec91U6iiiqpUzcZnLH3bjKJBTdpmJ6AYZzWW7NEyCi8kq4T5zrmAVrRvKbdczkSnZCE71NDTgH6sQmhDtqA2tZg

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