{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943827,-0.330440,0.000000,0.000000,0.184138,-0.525949,0.830344,0.000000,-0.273805,0.782060,0.559833,0.000000,-1748198.340440,4993328.707911,3550513.132622,1],    "boundingVolume": {    "region": [1.907512,0.594094,1.907621,0.594274,0.000000,8.567834]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1242938.b3dm"}}}