Extrinsic 27693-1

{
  "heartbeat": {
    "blockNumber": 27691,
    "sessionIndex": 461,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x52ddd7ac8493a0c33cb62af2c51caf76567f4962a6b4857f3dff8a79f5ed281caf1e08853429c379237702d25465823ecc3bf7d068909c984312890ffd62f184"
}