Extrinsic 31892-1

{
  "heartbeat": {
    "blockNumber": 31890,
    "sessionIndex": 531,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x8aadf13a5e1fc56ddd0fbe9b8aaf33ad9287527c7e2e5ed6a9fc1f0832b31a75079599ee985e56d98ec717985260a6e5e2eb4a5d48ae80b6c10a4ce6f0efa78b"
}