{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897927,-0.440145,0.000000,0.000000,0.282502,-0.576324,0.766839,0.000000,-0.336584,0.686655,0.644372,0.000000,-2149771.635564,4385681.369910,4088065.565794,1],    "boundingVolume": {    "region": [2.026493,0.700167,2.026620,0.700236,0.000000,47.936209]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/1_883662.b3dm"}}}