Extrinsic 43037-1

{
  "heartbeat": {
    "blockNumber": 43035,
    "sessionIndex": 717,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x12fe6b0bc018b2ddfd086db3d0e176ebc2171bd54f60f4711f51782d565eb20a035031222397bb98a26716ff3ca4589664c8ca935eb5aac1425aaa9eb964d289"
}