Extrinsic 46848-1

{
  "heartbeat": {
    "blockNumber": 46846,
    "sessionIndex": 780,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x768d5c2e1457562285a39299bfc8a65ddb81ec156c247425dd40b9df79428033cba13035fff637f16e5a14eaba251eb1a810a6dd4205f9d2c230bc10984f0b87"
}