{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949868,-0.312650,0.000000,0.000000,0.174763,-0.530952,0.829185,0.000000,-0.258699,0.785958,0.561556,0.000000,-1651759.875771,5018247.437558,3561464.527824,1],    "boundingVolume": {    "region": [1.888692,0.596162,1.888863,0.596368,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439508.b3dm"}}}