swagger-cli validate ./openapi.yaml fails while adding examples in request body with $ref for content

[LakshmiLavanyaKasturi]

openapi: 3.0.2

API example:

requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: ./api/rosetta/rosetta-account-balance-request.schema.json
            examples:
              network_identifier:
                value: [mainnet]
              account_identifier: 
                value: [SPZ5DJGRVZHXEEEYYGWEX84KQB8P69GC715ZRNW1]

Output:

Swagger schema validation failed.
  #/paths/~1rosetta~1v1~1account~1balance/post/requestBody/content/application~1json/schema must NOT have additional properties
  #/paths/~1rosetta~1v1~1account~1balance/post/requestBody/content/application~1json/schema must have required property '$ref'
  #/paths/~1rosetta~1v1~1account~1balance/post/requestBody/content/application~1json/schema must match exactly one schema in oneOf
  #/paths/~1rosetta~1v1~1account~1balance/post/requestBody must have required property '$ref'
  #/paths/~1rosetta~1v1~1account~1balance/post/requestBody must match exactly one schema in oneOf