{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950435,-0.310924,0.000000,0.000000,0.173683,-0.530914,0.829437,0.000000,-0.257350,0.786667,0.561183,0.000000,-1643143.433956,5022768.231960,3559092.634772,1],    "boundingVolume": {    "region": [1.886912,0.595756,1.887011,0.595872,0.000000,8.793385]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1425023.b3dm"}}}