{
   "epochs": [ {
      "calculation_time": "13366746448930601",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367418297571742",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "10226D7696D15A135CA6F27490DB0F18ECA139167FE13FE13231420670393F94",
   "next_scheduled_calculation_time": "13368023097572180"
}
