{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950224,-0.311568,0.000000,0.000000,0.174287,-0.531542,0.828907,0.000000,-0.257716,0.785986,0.561968,0.000000,-1645490.983662,5018433.634385,3564085.441113,1],    "boundingVolume": {    "region": [1.887563,0.596671,1.887715,0.596856,0.000000,8.567674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1327706.b3dm"}}}