Extrinsic 48976-1

{
  "heartbeat": {
    "blockNumber": 48975,
    "sessionIndex": 816,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x8827d0e511e75b1cc9ed3f4784c17a020b4621f182c21960ee7fcc4f6a179244e523f7dfc116789df4499235a5c94b4d0b924d47223a9f9a57b74697ae312e87"
}