Extrinsic 31426-1

{
  "heartbeat": {
    "blockNumber": 31425,
    "sessionIndex": 523,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd83ec2b5105c808cc0798af05a6ae68d67cb7f538af02b0f353a0e686841e9329009b9bb039113ce187d193192bc9224050c541709dc5647d814e147af941087"
}