{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943337,-0.331835,0.000000,0.000000,0.185834,-0.528289,0.828479,0.000000,-0.274337,0.779883,0.562603,0.000000,-1751614.767787,4979476.539069,3568120.917032,1],    "boundingVolume": {    "region": [1.908982,0.597492,1.909107,0.597571,0.000000,8.649866]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1286459.b3dm"}}}