{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950648,-0.310272,0.000000,0.000000,0.173583,-0.531843,0.828862,0.000000,-0.256630,0.786293,0.562036,0.000000,-1638554.246348,5020396.939216,3564513.395374,1],    "boundingVolume": {    "region": [1.886193,0.596760,1.886358,0.596929,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1395976.b3dm"}}}