Extrinsic 78201-1

{
  "heartbeat": {
    "blockNumber": 78200,
    "sessionIndex": 1303,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xb42a7c647a69c4376b0088599d2f9618882dca6b8ec5af67319f4f4d88dbb12a49a88cc198bc9eaa38f1ae7b916361068f206707b346076bc4437170c2189e84"
}