http://docs.graylog.org/en/2.4/pages/users_and_roles/permission_system.html

permissions.json

{
  "permissions" : {
    "outputs" : [ "create", "edit", "terminate", "read" ],
    "sources" : [ "read" ],
    "indexranges" : [ "read", "rebuild" ],
    "deflector" : [ "read", "cycle" ],
    "loggers" : [ "readsubsystem", "edit", "editsubsystem", "read" ],
    "inputs" : [ "terminate", "read", "create", "changestate", "edit" ],
    "lbstatus" : [ "change" ],
    "roles" : [ "edit", "create", "read", "delete" ],
    "blacklistentry" : [ "delete", "edit", "read", "create" ],
    "indexercluster" : [ "read" ],
    "dashboards" : [ "read", "create", "edit" ],
    "indexsets" : [ "create", "read", "delete", "edit" ],
    "clusterconfigentry" : [ "read", "delete", "edit", "create" ],
    "pipeline_rule" : [ "edit", "delete", "read", "create" ],
    "journal" : [ "edit", "read" ],
    "ldap" : [ "edit" ],
    "pipeline_connection" : [ "read", "edit" ],
    "throughput" : [ "read" ],
    "bundle" : [ "import", "delete", "create", "read", "update", "export" ],
    "systemjobs" : [ "create", "read", "delete" ],
    "authentication" : [ "read", "edit" ],
    "savedsearches" : [ "read", "create", "edit" ],
    "loggersmessages" : [ "read" ],
    "searches" : [ "relative", "absolute", "keyword" ],
    "fieldnames" : [ "read" ],
    "buffers" : [ "read" ],
    "messagecount" : [ "read" ],
    "streams" : [ "changestate", "edit", "create", "read" ],
    "threads" : [ "dump" ],
    "users" : [ "tokencreate", "rolesedit", "edit", "permissionsedit", "list", "tokenlist", "create", "passwordchange", "tokenremove" ],
    "pipeline" : [ "create", "delete", "read", "edit" ],
    "node" : [ "shutdown" ],
    "indices" : [ "changestate", "delete", "failures", "read" ],
    "system" : [ "read" ],
    "collectors" : [ "delete", "create", "update", "read" ],
    "systemmessages" : [ "read" ],
    "decorators" : [ "create", "read", "edit" ],
    "lookuptables" : [ "edit", "create", "read", "delete" ],
    "jvmstats" : [ "read" ],
    "messages" : [ "read", "analyze" ],
    "processing" : [ "changestate" ],
    "metrics" : [ "read", "allkeys", "readall", "readhistory" ],
    "ldapgroups" : [ "read", "edit" ],
    "stream_outputs" : [ "delete", "read", "create" ],
    "notifications" : [ "delete", "read" ]
  }
}