Extrinsic 48547-1

{
  "heartbeat": {
    "blockNumber": 48545,
    "sessionIndex": 809,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x7c7b12ee9a30efe740ce0c5dc4cb4fa7c05233c8a3e6d169f879234b89d3d57a43c4fb2cfffb5285e23fc5796f782decc6481d55ed3c7ecd1ae7292cccb63e82"
}