Add support for more log lines with embedded data

[jsumners-nr]

The following log lines are not presenting the embedded JSON in a human readable format like other log lines with such embedded data:

{"v":0,"level":10,"name":"newrelic","hostname":"foo","pid":5078,"time":"2025-06-10T19:01:11.700Z","msg":"Loaded URL normalization rule: {\"eachSegment\":false,\"precedence\":1000,\"isTerminal\":true,\"replacement\":\"/*.$1\",\"replaceAll\":false,\"ignore\":false,\"pattern\":\".*\\\\.(ace|arj|ini|txt|udl|plist|css|gif|ico|jpe?g|js|png|swf|woff|caf|aiff|m4v|mpe?g|mp3|mp4|mov)$\"}","component":"metric_normalizer"}

{"v":0,"level":20,"name":"newrelic","hostname":"foo","pid":5078,"time":"2025-06-10T19:01:11.702Z","msg":"New Relic sent unknown configuration parameter data_methods with value {\"error_event_data\":{\"report_period_in_seconds\":60,\"max_samples_stored\":10000},\"span_event_data\":{\"report_period_in_seconds\":60,\"max_samples_stored\":10000},\"custom_event_data\":{\"report_period_in_seconds\":60,\"max_samples_stored\":10000},\"analytic_event_data\":{\"report_period_in_seconds\":60,\"max_samples_stored\":10000}}."}

{"v":0,"level":30,"name":"newrelic","hostname":"foo","pid":5078,"time":"2025-06-10T19:01:11.702Z","msg":"Valid event_harvest_config received. Updating harvest cycles. {\"report_period_ms\":5000,\"harvest_limits\":{\"error_event_data\":8,\"log_event_data\":833,\"analytic_event_data\":833,\"custom_event_data\":250}}"}