OROCoin signature campaign is also open for Member ranks and the payment for members are the same as full members while you have not mentioned it in the table. You can see in the quote below from their campaign:
I am handling the signature and avatar campaign for Orocoin. We are looking for maximum of 25 participants for this campaign of which 10 will be members and full members, 10 will be senior members and 5 will be hero or legendary members.
Earnings
Members and Full members: 0.00065 BTC/Post
Sr. members: 0.0008 BTC/Post
Hero/Legendary members: 0.0012 BTC/Post