Extrinsic 9625-1

{
  "heartbeat": {
    "blockNumber": 9623,
    "sessionIndex": 160,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x02164f248ec388613fd07d2a00cf5894d7b044a72922c1d3df682e2f8b7f6f28f974b206bfa20ab3208b09f402b5586b5bb6900e8faf84ea9fdced81eb530883"
}