Extrinsic 28068-1

{
  "heartbeat": {
    "blockNumber": 28067,
    "sessionIndex": 467,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x7ada9a23920fe93253795b9cdddb0eb3a15c939d2a61373dcb9ef378fbe74023883f8af7b8ce47736e1befc6784480306deb07a3b26be086ebcee00a373c5b80"
}