{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950386,-0.311074,0.000000,0.000000,0.173981,-0.531543,0.828971,0.000000,-0.257327,0.786181,0.561874,0.000000,-1643006.418908,5019676.701630,3563485.134890,1],    "boundingVolume": {    "region": [1.887070,0.596600,1.887168,0.596699,0.000000,8.497366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1328434.b3dm"}}}