Extrinsic 73567-1

{
  "heartbeat": {
    "blockNumber": 73566,
    "sessionIndex": 1226,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5099f1f0fb5f285d0a00ff46ce22245a266303403ee432ef09fcf7505264716cca39bce7d9984deada839b91ee44c33a0f75847528dc6622a1f63642b99bac8a"
}