Extrinsic 34708-1

{
  "heartbeat": {
    "blockNumber": 34707,
    "sessionIndex": 578,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x0a56165db2aa2b98ce11c0d0f63f54281a04e0ddb440f4b762f9c043346046313b61d79ed18fea07cde2969826c67fc2cfa93976c44c44a0899838c62d2b808d"
}