Extrinsic 34225-1

{
  "heartbeat": {
    "blockNumber": 34224,
    "sessionIndex": 570,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x522e06dbb64a68e131916a35a892c1a363f9754d36e374095b1b029706b47730f340387021b9166911e1e17d38a45f596de2dc23a502a005f3c4266212e6b482"
}