Extrinsic 42216-1

{
  "heartbeat": {
    "blockNumber": 42215,
    "sessionIndex": 703,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xd48461e56714d6aaa30cbb891df1eb595c1482d918cf2fdb5fc835b603553a280fcda118901cdd941793c3f972bdfb522f2f39939b50ecb3ed7a027f6d142880"
}