Extrinsic 31356-1

{
  "heartbeat": {
    "blockNumber": 31354,
    "sessionIndex": 522,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x6005f5de84cfc73aa202bf62af05dc50baa0ccab79a8874b4365f8e392776740f1b6b51db229da2d3ac52ada111238a1124648aa4df0d62822c7c2daa474cd8a"
}