Extrinsic 34128-1

{
  "heartbeat": {
    "blockNumber": 34127,
    "sessionIndex": 568,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x6e5066bbab269945f34c87ae2fa4c3dda4f7e48ea5cb4d30254c13e1ab7dfe55ea453c8ad35b925f49f012d9e3dc120fda9732f237dc339d1c5adb7b5d42c682"
}