{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943043,-0.332672,0.000000,0.000000,0.186345,-0.528244,0.828392,0.000000,-0.275000,0.779557,0.562731,0.000000,-1755848.470293,4977400.941730,3568930.491119,1],    "boundingVolume": {    "region": [1.909869,0.597646,1.909994,0.597725,0.000000,8.698879]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/9_1255186.b3dm"}}}