Extrinsic 26073-1

{
  "heartbeat": {
    "blockNumber": 26072,
    "sessionIndex": 434,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa2466a9f8ad8e9c19d722ede4c2b6fac55a8817d9c514d435ee30960bc8d4f56cdd37584bb77d83a384536121cb3082fab5a71a771add0c34b88b29782fd6684"
}