Extrinsic 55957-1

{
  "heartbeat": {
    "blockNumber": 55955,
    "sessionIndex": 932,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xaadab743715b0ba9a20837c86af59d702586f0a0dc682740d739a56bae059020ed5355340cbd4827533a148fdaf5bdc98a3f774fb008cc7540ad0088f96e3b80"
}