Extrinsic 124426-1

{
  "heartbeat": {
    "blockNumber": 124423,
    "sessionIndex": 2073,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xc0a1c8b3e07bcdab5d7481a78e806f92a29038c93c412c99c0227f5147397e2b864d79652d43b31f0ebc802e8c6c8b5dae7d974877a0ca70258bebad6ee23382"
}