{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950034,-0.312147,0.000000,0.000000,0.174452,-0.530952,0.829250,0.000000,-0.258303,0.786157,0.561459,0.000000,-1649234.367977,5019516.170592,3560851.088288,1],    "boundingVolume": {    "region": [1.888163,0.596046,1.888334,0.596251,0.000000,12.781761]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1349320.b3dm"}}}