Extrinsic 14983-1

{
  "heartbeat": {
    "blockNumber": 14982,
    "sessionIndex": 249,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x6eb5b228ec9618c9826b3d4ebe6deeefd0f9e6a099cbb0b966f3d3dff354eb2f19520c8ce9ac1ae5e64732c7d39c9d5f0e586cf5ad60a8b85956ab6ce77d5082"
}