Extrinsic 11309-1

{
  "heartbeat": {
    "blockNumber": 11307,
    "sessionIndex": 188,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x2e16b8ca2bebc6826d7106d87deccebed3ff7eb8304538bc23d03b9da8465449dcb649db9aceedb0f0d24e4251574654d1141b9438c40160883f3fdf69b7998d"
}