Extrinsic 60042-1

{
  "heartbeat": {
    "blockNumber": 60041,
    "sessionIndex": 1000,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb2e8a4170f2dc0b0742dec52eb4bb3cb28bc3492a7688aa47de1af2c461d312088eeb552304b652382ceea5840e393a2580ebb0de8ce48136a5c6ef8a89d5481"
}