Extrinsic 25957-1

{
  "heartbeat": {
    "blockNumber": 25955,
    "sessionIndex": 432,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x403f922df5e46857bd978754b72c4f86e05690bf4f98bef8e526178b6f45a37d3326edb307f1fd3c2d6982c62bbac3fdd45826537b8b6ef366285ba3a0cf4c8c"
}