Extrinsic 176354-1

{
  "heartbeat": {
    "blockNumber": 176353,
    "sessionIndex": 2939,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe6d452802ab07010ad6c24fa6d6c7a7420ecf702db66968dbe6d7e50841ef719535e53dc5f8f17dfc616e3bfff7ac07a6970a61a09f73e08335b9e4aeb953582"
}