Extrinsic 34230-1

{
  "heartbeat": {
    "blockNumber": 34228,
    "sessionIndex": 570,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xfc0be0a4e21eb9fda1b409eac9ad4fbb14b3a2fd5ddf9b36f61f6df23ef91562f017c4b398fef365298648c7bc58edc36881ad6497b90fab001f4185e0f42784"
}