Extrinsic 6828-2

{
  "heartbeat": {
    "blockNumber": 6826,
    "sessionIndex": 113,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x541003f962c9b1f36eebb077b405cfdc66afaaf409efa920a13eafe1a746ab0ba229bd570ee0b7e4f0670e2c455f9d843aa137fcd24621d1bb81c4b7bc559a86"
}