{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948540,-0.316657,0.000000,0.000000,0.117359,-0.351547,0.928785,0.000000,-0.293833,0.880172,0.372771,0.000000,-1874982.532763,5616473.290822,2362768.597032,1],    "boundingVolume": {    "region": [1.892916,0.381888,1.893083,0.382099,0.000000,9.428822]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_65696.b3dm"}}}