(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:BASE64_ENC)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [
                      (Pipeline
                        children: [
                          (C {(cat)} {(nrconfig.env)})
                          (C {(base64)})
                          (C {(tr)} {(-d)} {(SQ <"\\n">)})
                        ]
                        negated: False
                      )
                    ]
                  )
                left_token: <Left_CommandSub "$(">
                spids: [49 67]
              )
            }
          spids: [48]
        )
      ]
      spids: [48]
    )
    (SimpleCommand
      words: [
        {(sed)}
        {(-e)}
        {(DQ ("s#{{config_data}}#") (${ VSub_Name BASE64_ENC) ("#g"))}
        {(./newrelic-config-template.yaml)}
      ]
      redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(newrelic-config.yaml)} spids:[83])]
    )
  ]
)