Extrinsic 48255-1

{
  "heartbeat": {
    "blockNumber": 48253,
    "sessionIndex": 804,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x80283c4dde364cb9d98f6d42022acbfbc557ddccb2dcb89aa1dc068b32909d204e75313d79b9380381925bc505cf5ada3aa3c86553fa83e6d13a94f09fafa388"
}