{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948645,-0.316342,0.000000,0.000000,0.176429,-0.529075,0.830031,0.000000,-0.262023,0.785754,0.560298,0.000000,-1672978.862414,5016922.256609,3553472.056944,1],    "boundingVolume": {    "region": [1.892619,0.594634,1.892715,0.594857,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1215880.b3dm"}}}