Extrinsic 43787-1

{
  "heartbeat": {
    "blockNumber": 43786,
    "sessionIndex": 729,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xa0223d9e3ec9df25dd77bcc3d399fe1007b82519464e0c6a41beca9e77f78f2995c8eb3d5ee9e6096dc5aab775cd7109c8ad19935e24cc338bbc62593354e585"
}