Extrinsic 22659-1

{
  "heartbeat": {
    "blockNumber": 22657,
    "sessionIndex": 377,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x4e05c88780ee715233138c8c0932be285fa0d8970190b5fffcee0c80f1378120c6b88788cbc483959657d0cec68aec5c969416e1e113b13221ca460d86fc3f85"
}