Extrinsic 50734-1

{
  "heartbeat": {
    "blockNumber": 50733,
    "sessionIndex": 845,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x42699be68257666e5f854d5173f2687b60b00ac3f896400c4f3f4c61f06faa0da587d9df0bb5c410b66c799512851234e516455deb52c511b2390a4f2bbf828a"
}