{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943799,-0.330519,0.000000,0.000000,0.184156,-0.525859,0.830397,0.000000,-0.273888,0.782088,0.559754,0.000000,-1748727.286526,4993502.969267,3550010.920240,1],    "boundingVolume": {    "region": [1.907595,0.593998,1.907705,0.594179,0.000000,8.798668]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1243038.b3dm"}}}