{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943896,-0.330244,0.000000,0.000000,0.184005,-0.525920,0.830391,0.000000,-0.273658,0.782162,0.559762,0.000000,-1747259.118434,4993979.763304,3550062.784731,1],    "boundingVolume": {    "region": [1.907303,0.594008,1.907413,0.594189,0.000000,12.573246]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1243018.b3dm"}}}