Extrinsic 37354-1

{
  "heartbeat": {
    "blockNumber": 37353,
    "sessionIndex": 622,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x6635d0d0aec1e3947baddd92aff85c42d50032929dac68aa5fc5be01f1a31b72b8e0eabbdf7888264963d293f75ae4ef4fafb26a659b8b36c80bf144095f9b8d"
}