Extrinsic 42072-1

{
  "heartbeat": {
    "blockNumber": 42070,
    "sessionIndex": 701,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xa06704dd4a49a17f0f4d9721d70c7357eaec1d3b82adec05f6288d2f3dc96402cb912e8f5dcf2c2da9dbdce1f62eb03fdb054d2c77f4728be981052238d77489"
}