Extrinsic 34626-1

{
  "heartbeat": {
    "blockNumber": 34625,
    "sessionIndex": 577,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x4ca80506bae5684d87b8d3888207100f89553fa6d997e2abd9b6dcd6ff107e3304c0e1231adbf9a03f6e9b5adf03faba6ee291fe960b4d4fa01a93b938c28c8e"
}