Extrinsic 41443-1

{
  "heartbeat": {
    "blockNumber": 41441,
    "sessionIndex": 690,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xa67a274447897b4ad0eb271e350a9b0a538b4d1f6673da95b328fa81b1c9d8110e2c970b4a5d27b41d612b0d3da1a4e325d3987aa0585e636b61a607aef1098b"
}