{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893982,-0.448103,0.000000,0.000000,0.288801,-0.576168,0.764608,0.000000,-0.341665,0.681633,0.647025,0.000000,-2182244.827176,4353655.648054,4104943.035779,1],    "boundingVolume": {    "region": [2.035356,0.703595,2.035522,0.703757,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1869848.b3dm"}}}