Extrinsic 14968-1

{
  "heartbeat": {
    "blockNumber": 14966,
    "sessionIndex": 249,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xb8d62b9a84893437299d7e83ff57183b955d21ffca6a693344ddf91e43db4b4d9441531f417e695eee1e0de573330b62e14f36d61b1c8e2377b8dbba92a97f8f"
}