Extrinsic 41268-2

{
  "heartbeat": {
    "blockNumber": 41267,
    "sessionIndex": 687,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x7ee6d75d9a0d75eb18572c80097690b99085b161a93ec7559f219238a9e26736045df9bf1c886af703a1c303c5dd14f3b897a78b7d8cbb26cdbe20fbd24e3e87"
}