Extrinsic 48942-1

{
  "heartbeat": {
    "blockNumber": 48941,
    "sessionIndex": 815,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x4ee2db6d143d4f8de95e0608a909b7de8c4a48e0fd71460147076df51c6e5c2ff6c90cdf4c541fe7a6e04221656b5b11ea4cf2cf0654189863a8a3341143878e"
}