Extrinsic 31603-1

{
  "heartbeat": {
    "blockNumber": 31601,
    "sessionIndex": 526,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xd89c0ec4cca2a98aae9e888d1f710dff9cd3ff1ca35f907bbc5158c5ff1c2167f8e5ade011f3a629578524f1c759d092de0c27d961930b201444843e7b66f48e"
}