Extrinsic 31482-1

{
  "heartbeat": {
    "blockNumber": 31480,
    "sessionIndex": 524,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xb6af5e9320dc623d4f04fb1c48d78873eac3185b81515921c8ed77082552cd7664881a75aa62ea3b89b6b9d3169fdbcf1f8be5de13a5d31c1f84c2a77180218c"
}