Extrinsic 11689-1

{
  "heartbeat": {
    "blockNumber": 11687,
    "sessionIndex": 194,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x889a8c0ad5a531d03eeb48c62d525e9170be427c8569f25e630449b9081e2c1be5aad05753ccf7d458c2d8a334e852ca839f440080e5e73c1d1df21028fbb38e"
}