Extrinsic 5298-1

{
  "heartbeat": {
    "blockNumber": 5297,
    "sessionIndex": 88,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdcdcefde98eeb138e89d38b098eb3f068e067fac644b320a71a36fa0c34e7e3d2e4d8b1ac690c53929f55ee28d2ae4fd83c6fcce209610b14a7b95c56bf3a58d"
}