Extrinsic 131731-1

{
  "heartbeat": {
    "blockNumber": 131729,
    "sessionIndex": 2195,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3849e01c47a2e4d202a01ebfcd87dd9445eb1d3f0ad9673e943b8f346b2fd674cd9a0be0296de60d1cdcc3578367a7cc6341751ca5f89c9ffdda4cf27b6b818c"
}