Extrinsic 73176-1

{
  "heartbeat": {
    "blockNumber": 73175,
    "sessionIndex": 1219,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xee17460e0e3af4767688faddba92c76c9e1cef2393a02378994cf64f2388871d1801c5429036de454847808a4e918ae231ca9f92bf98a87942d9c28ed6ef1581"
}