Extrinsic 109401-1

{
  "heartbeat": {
    "blockNumber": 109399,
    "sessionIndex": 1823,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x76f9914358aefb85ee9431f4fd01b5bc57d3af6eabd0232f105d25624c52562ea039c44c568c2c67938b8b055a75773aa89a0fc473bd06e6a727a362d12cb58e"
}