{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943096,-0.332522,0.000000,0.000000,0.186280,-0.528326,0.828355,0.000000,-0.274863,0.779565,0.562786,0.000000,-1754978.504543,4977452.525720,3569284.050002,1],    "boundingVolume": {    "region": [1.909710,0.597713,1.909835,0.597792,0.000000,6.718660]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/9_1254939.b3dm"}}}