Extrinsic 7247-1

{
  "heartbeat": {
    "blockNumber": 7245,
    "sessionIndex": 120,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x36cf6a5bb8395a367bb965c095f68ea987af28fa0d8616cff2f9d4336dc71b5a0f276f3ccc2f9d9d2b04a855cf4542b335106b2fbc62320e039c198a9333a18c"
}