Extrinsic 31771-1

{
  "heartbeat": {
    "blockNumber": 31770,
    "sessionIndex": 529,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x24b3d61bed5204b052aa5d7c046e6a48da4fbd2d2ae6dc5bed205a99dc7e8259488f9dae63fa92da328c704d085fde2fd60d37272bddfa65895498deecc4f08a"
}