Extrinsic 34775-1

{
  "heartbeat": {
    "blockNumber": 34773,
    "sessionIndex": 579,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xd05e00b0275cef68a2e06c8743159b0970859e684f16118a5409e4a6141abc12055ff02622627caef58b41ef3eb30bc28dca3dd4c62bd1b02b54e51662602f8b"
}