Extrinsic 30343-1

{
  "heartbeat": {
    "blockNumber": 30342,
    "sessionIndex": 505,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x805394594f33bbe832466c7c6a97506bb518521e77b899bf16a1d096db6f610f1f561ca385ed01935e4f1e197f0362efcf364396543ce9cda3bf342affc4638c"
}