Extrinsic 27766-1

{
  "heartbeat": {
    "blockNumber": 27765,
    "sessionIndex": 462,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x6c3cd42a127c29aeee9a179f385d726d08308285e196dca34e0da9f430930e1047c99f4b8151b6eadd30fab5d042741809af7ae9344e3343db5455a57a77d285"
}