Extrinsic 41439-1

{
  "heartbeat": {
    "blockNumber": 41437,
    "sessionIndex": 690,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xca9c345506913574e4f8f3aada25e68510c13a3bd20d662d1365bacf1e5b4a4d8f6cdae0c9efff601ea13bd3399684855e0815354f6b159947fe566deb936e8c"
}