Extrinsic 25126-1

{
  "heartbeat": {
    "blockNumber": 25125,
    "sessionIndex": 418,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x343733e5968feaffa1b9e1522ad8efca05a0498e90f062cbd155a20837dd7167104469dd40318e99a1c82f3dcbbb2fbded003724ae02e644e611a67d9d558984"
}