Extrinsic 102390-1

{
  "heartbeat": {
    "blockNumber": 102388,
    "sessionIndex": 1706,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xac8f702e44c4bef29a58ded196f92c441afd5ee75cc3e18c0cfc015abe38cc208b609671b605448c77d821fd72221151980704528aa9b779f41b689293195a81"
}