Extrinsic 27507-1

{
  "heartbeat": {
    "blockNumber": 27506,
    "sessionIndex": 458,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xd23becccf57f6e00de8ba63f7b5aa49c0639fcc3d906dd8b2906faf4d1b5fd2c53b79eb3657d031b46db842fcdf9c204464f9b1aab03e2b0c55d360f3982c283"
}