As a rule, smaller accounts have a more loyal audience and who tend to trust the recommendations. Of course, advertisers are looking not only at the number of subscribers, which may be cheated but also at the profile statistics, the degree of media, and other indicators. Therefore, the audience on your account should be active. You can raise your account activity with quality content, hashtags, and buying ads from other accounts. Or you can getting Instagram followers on a specialized website. I hope these ways will help you. I wish you good luck.