Extrinsic 45825-1

{
  "heartbeat": {
    "blockNumber": 45823,
    "sessionIndex": 763,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x3a9fedc3458e7e55a1c299bfd5f693948147a32df4fa8a1bab96cedfe32701494b00660ef24cba60810537fbad1bac145b33bc3d3ecf9ac580ee2e9fb1fd218b"
}