Extrinsic 64111-1

{
  "heartbeat": {
    "blockNumber": 64110,
    "sessionIndex": 1068,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9216d2f350413c10cf23152b36041d4505ca54139ae9ceb92d3dc7c539ab3b2d2874e497b4b59a5cf7030ec2c54141526de8e910b1098cbb444609b9e2ad8488"
}