NET
1 I looked on when the Lamb opened one of the seven seals, and I heard one of the four living creatures saying with a thunderous voice, “Come!”
Darby
1 And I saw when the Lamb opened one of the seven seals, and I heard one of the four living creatures saying, as a voice of thunder, Come [and see].
KJV
1 And I saw when the Lamb opened one of the seals, and I heard, as it were the noise of thunder, one of the four beasts saying, Come and see.