{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950359,-0.311156,0.000000,0.000000,0.173905,-0.531156,0.829235,0.000000,-0.257478,0.786411,0.561482,0.000000,-1643966.301401,5021140.535414,3560996.016228,1],    "boundingVolume": {    "region": [1.887130,0.596083,1.887281,0.596269,0.000000,8.819076]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_1431906.b3dm"}}}