Extrinsic 41609-1

{
  "heartbeat": {
    "blockNumber": 41607,
    "sessionIndex": 693,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xeef9477bfd24742aa8c5960083cc4743c9d110243f4810cd6d660a5398e4fb42c43718f898abe7802a96b8ca97a87cd6f8b8b496c08acc034db75adf0ed4b689"
}