Extrinsic 73784-1

{
  "heartbeat": {
    "blockNumber": 73778,
    "sessionIndex": 1229,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa4941237b83dd418fd226d826ac87f0d19e5e1f5f6d043733c301925c4bcef203b2740c11f10891b412d37893f211218387f716eb54c06eb6564adb461298689"
}