Extrinsic 33462-1

{
  "heartbeat": {
    "blockNumber": 33460,
    "sessionIndex": 557,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x58c54960413adcd811a746a0ee0c859a158755cb06d73794b2889a914d8cc850e3a8c257c55272d7f25b95a06f62ad4f15a91a53cf2f030d6ebc80a85dc4d782"
}