Extrinsic 30225-1

{
  "heartbeat": {
    "blockNumber": 30224,
    "sessionIndex": 503,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe6247126a42f609be7e57621c208ff086d95554acec04b2306b9a5f60b0a670b425eb703273ca278143def1a03e26dff8172d0ddc3c5947c9ee8a744a6848283"
}