Extrinsic 32922-2

{
  "heartbeat": {
    "blockNumber": 32921,
    "sessionIndex": 548,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xb40f26d09f189f1fb8cd3aa90c8135bbf849b22116999c619ca3f04261e547065639d5940f47a709b0f210beb8037ff73b8583e2bc988ac250e5bc007eedd08a"
}