Extrinsic 25242-1

{
  "heartbeat": {
    "blockNumber": 25240,
    "sessionIndex": 420,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x0c1e8a759f9bb66467432532a128942a4ae77d2c656c764a198efd15bce89d2e02bfefa8fa7b86bc9b3494876303c6eb6544e90a1881d0e80d83ca925187e18a"
}