Extrinsic 43844-1

{
  "heartbeat": {
    "blockNumber": 43843,
    "sessionIndex": 730,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x64dc13daacdf779dce65ec5f06f19600314de261b97dd7042ce54302ed52154a9f9fb56ff59d6e881b91b32100eb3fd4613d671b2039001e90792a35d7b6f38e"
}