Extrinsic 34369-1

{
  "heartbeat": {
    "blockNumber": 34367,
    "sessionIndex": 572,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x42009fc15c278a75d50e027c0d9fe2008bd712b6972ed94e2861a9afe22d9d3ec7001a1e6c72bd68e5fb0d34ee2cb9b275165c4252936374013e3263d39be885"
}