Help with nats.conf with Memory Resolver config needed

[iankettler]

I have the following nats.conf file running in docker:

`
port: 4222
debug: true
trace: true

operator: /etc/nats/operator/operator.jwt
system_account: ACH6LYLGKRJPMEI7VGSSGMEMYZM35Q7CFWE7Q2HCNR7IPWNSW2XZJ5FG

resolver: MEMORY
resolver_preload: {
ACH6LYLGKRJPMEI7VGSSGMEMYZM35Q7CFWE7Q2HCNR7IPWNSW2XZJ5FG: eyJ0eXAiOiJKV1QiLCJhbGciOiJlZDI1NTE5LW5rZXkifQ.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.9ItucEbBdeYmb7DyuWMW2mTHzLz3rNzaj-TQ_qhaSPlE943vZvF-MuNfWLNicAXL9LJskEL7QNX55MHUQU-_CA,
}
`

When I check the logs:

nats-server | nats-server: /etc/nats/nats.conf:16:3: invalid account JWT

What am I doing wrong over here?