Extrinsic 120667-1

{
  "heartbeat": {
    "blockNumber": 120666,
    "sessionIndex": 2011,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x0e7a557891137c3ed2396e233a035ce31ae05c47c42988f071135dfd5b3bbf247057e02e7b2f8cbcc70c10ab19b1191bcb088cba11b5dfcdf1ae21b39a07df8b"
}