{
   "epochs": [ {
      "calculation_time": "13366284072529961",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366948146958360",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "97926FE62E6A4D987B17F617FB3BA1647D9F2DCFE3559DDB05F7F80F4A8718B7",
   "next_scheduled_calculation_time": "13367552946958959"
}
