Extrinsic 13667-2

{
  "heartbeat": {
    "blockNumber": 13665,
    "sessionIndex": 227,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xe6cb290985e6a02d0327f10a2567159a72276e52b2791b2598a752c1bce3a55df984a9620af601c18f4a24f639a69e0e94d00d0f27212c36beef8f26d3015581"
}