jiazhai edited a comment on issue #6761:
URL: https://github.com/apache/pulsar/issues/6761#issuecomment-616300231
Here is my reproduce:
```
➜ pulsar git:(master) ✗ bin/pulsar tokens create-secret-key --output
my-secret.key --base64
➜ pulsar git:(master) ✗ cat my-secret.key
5UeeNgpaylEiilQWt7v26l0HSI0/873wXx6tr8icrg0=%
➜ pulsar git:(master) ✗ bin/pulsar tokens create --secret-key
file:///Users/jia/ws/code/pulsar/my-secret.key --subject admin
eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJhZG1pbiJ9.Yeh9_O8k_ymZnEWT9R_xiOrrNSmxJhfLE2nuvYMzzTw
➜ pulsar git:(master) ✗
➜ pulsar git:(master) ✗ bin/pulsar tokens create --secret-key
'data:base64,5UeeNgpaylEiilQWt7v26l0HSI0/873wXx6tr8icrg0=' --subject admin
eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJhZG1pbiJ9.Yeh9_O8k_ymZnEWT9R_xiOrrNSmxJhfLE2nuvYMzzTw
➜ pulsar git:(master) ✗ bin/pulsar tokens create --secret-key
'data:;base64,5UeeNgpaylEiilQWt7v26l0HSI0/873wXx6tr8icrg0=' --subject admin
eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJhZG1pbiJ9.oD2kZpw8Qn9IzehAL_WzTfVXohA_BIhwYXdpLFxoiNw
```

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