Extrinsic 14568-1

{
  "heartbeat": {
    "blockNumber": 14567,
    "sessionIndex": 242,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x76065dc135e116579a2c9a444c0594f23be3dde38578bd4adca179938e69a72e4b326d9707d4cb1713f08720cc27e6c1a26eb7b31c5e746f5ba3d5b26add5289"
}