Extrinsic 41004-1

{
  "heartbeat": {
    "blockNumber": 41002,
    "sessionIndex": 683,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x4c85a060056f088f3e02f758a12c6205dc52bdd7fcb93118412490c715b7ed53177d68277fa66d50af204ad2da3943ddc0abae6db83f7751354e3a6c9b4f0589"
}