Extrinsic 31703-1

{
  "heartbeat": {
    "blockNumber": 31701,
    "sessionIndex": 528,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x16c1bf7b0c1e0828b8373ace449d17c853f6e054ca671dbe7211e13c04379a22d1d5fe5f7db9d658dc63a4390549bbae4ef23d9d529d74d2ff4f3cc3b32d6f86"
}