Extrinsic 35259-1

{
  "heartbeat": {
    "blockNumber": 35258,
    "sessionIndex": 587,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x62a05b35d30b13c30a54f180f8be0cf5781b078be5a855036a73a26fd52f4a54d8e46811bc87d3bcac807915e9776aaba085314df8a5fce39c482e9879456c8b"
}