{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950981,-0.309250,0.000000,0.000000,0.172795,-0.531365,0.829333,0.000000,-0.255932,0.787020,0.561336,0.000000,-1634091.274340,5025024.951426,3560068.058855,1],    "boundingVolume": {    "region": [1.885128,0.595890,1.885274,0.596109,0.000000,8.794689]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1422489.b3dm"}}}