Extrinsic 43448-1

{
  "heartbeat": {
    "blockNumber": 43447,
    "sessionIndex": 724,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xca7ee843f9ab1c10bae41a6c96b0b508f72fb27f961c51a84cd2fa7ec8832e258cc69466805a46bb7167258590501c40fb90df278da99386b327d28b4f146181"
}