Extrinsic 49159-1

{
  "heartbeat": {
    "blockNumber": 49158,
    "sessionIndex": 819,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x22659e2c37b921b3fd5447f65af581ba397486c2a770225b9ae710b238eb2052f0139a9d4ff4270a2feb5404ff9e436db8795479f29bf07dcd8e181d194b9782"
}