fix(api): Pass in signers when validating SystemFee (#721)
fix(api): Pass in signers when validating SystemFee (#721)

Potentially fix #714. The docker container does not have any token contracts on it so I cannot test this out but my suspicion is on us not correctly calling the invoke functions.
snowypowers/neon-js,snowypowers/neon-js,snowypowers/neon-js,snowypowers/neon-js,snowypowers/neon-js