{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950222,-0.311573,0.000000,0.000000,0.174288,-0.531537,0.828910,0.000000,-0.257721,0.785987,0.561964,0.000000,-1645522.070177,5018443.446976,3564057.460513,1],    "boundingVolume": {    "region": [1.887568,0.596666,1.887720,0.596851,0.000000,8.567674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1327746.b3dm"}}}