Extrinsic 30327-1

{
  "heartbeat": {
    "blockNumber": 30325,
    "sessionIndex": 505,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x0ea1d9613d1e13d00cda1ed116d6e727e248e886ee70d1fa618985d9ed592f5b292d3aacbce41d4e469dbaf5bf17d47e8332f7925bcad615f1ddc4d22f0e648e"
}