{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943792,-0.330541,0.000000,0.000000,0.184168,-0.525855,0.830397,0.000000,-0.273906,0.782082,0.559754,0.000000,-1748843.552361,4993463.188146,3550009.611418,1],    "boundingVolume": {    "region": [1.907618,0.593998,1.907728,0.594179,0.000000,8.811977]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1319261.b3dm"}}}