Extrinsic 6108-1

{
  "heartbeat": {
    "blockNumber": 6107,
    "sessionIndex": 101,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x66f32a08d41a6fc1965b69af96e596f1ab0574136e69939d1fce4fc128615c1632a810275b9335032a4e3c0b1974ab60ca94e380328e3e6eaebe6f54ca63a285"
}