Extrinsic 34517-1

{
  "heartbeat": {
    "blockNumber": 34515,
    "sessionIndex": 575,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xf2b06ccadeea155e515c0a58a753b9ba97c366256ccd0b236fd33fdf9ad5fc4707df6634416e80be886cf626f66028422c1b478a3a7019c11e95271c0cd95a82"
}