{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950365,-0.311138,0.000000,0.000000,0.173773,-0.530786,0.829499,0.000000,-0.257546,0.786669,0.561090,0.000000,-1644397.366596,5022778.598804,3558502.800521,1],    "boundingVolume": {    "region": [1.887137,0.595643,1.887236,0.595760,0.000000,7.746925]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1343930.b3dm"}}}