Extrinsic 41414-1

{
  "heartbeat": {
    "blockNumber": 41412,
    "sessionIndex": 690,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x9a294f073cdec6eb75f610ababff38287b8fc51514d45283666934b538806f3afcfd54099f300417d7b2708a5aa73bdd4e3fd0e24ae2c706ee9735dbbcf1cb85"
}