{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950305,-0.311322,0.000000,0.000000,0.174101,-0.531441,0.829011,0.000000,-0.257545,0.786152,0.561814,0.000000,-1644396.281939,5019493.528210,3563104.608734,1],    "boundingVolume": {    "region": [1.887304,0.596484,1.887456,0.596670,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398924.b3dm"}}}