Extrinsic 34166-1

{
  "heartbeat": {
    "blockNumber": 34165,
    "sessionIndex": 569,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x86190c4e0dd6a8afee9ca581272e4d04fb7e33d8838c5492e49690dd3d7ac231d51e1deaafd26e4a4a45105503e1693cb4e0f7366265cd95100cce41bed86283"
}