Extrinsic 27168-1

{
  "heartbeat": {
    "blockNumber": 27167,
    "sessionIndex": 452,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x10df7ddbdaaca5c145ab9a05c81570f3e38862b6693561522794247034ec345b68a538f99427be7b60591c89e99ddf6ebe9a86c953abcf6d3c8325dac9cbde84"
}