{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312618,0.000000,0.000000,0.174745,-0.530957,0.829186,0.000000,-0.258673,0.785967,0.561555,0.000000,-1651593.115334,5018306.475308,3561458.717283,1],    "boundingVolume": {    "region": [1.888659,0.596161,1.888830,0.596366,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439558.b3dm"}}}