Extrinsic 66791-1

{
  "heartbeat": {
    "blockNumber": 66790,
    "sessionIndex": 1113,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x02133616d99996492636c4d5bb8ada91005f8d88dcf731cdfa1c4b086230ce33496b60b076331de02df65f5b33298eb6ac5ec84438ce19ce345397047ebb2c89"
}