Extrinsic 42201-1

{
  "heartbeat": {
    "blockNumber": 42199,
    "sessionIndex": 703,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xa696b30bc224efeede0e9c73c69599dcc55efc1d7292d7346fef074d56f8602b2b128d6b216e9981d6634467f0538bc16cee43dd7ac2b3a86eec365483371389"
}