{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949973,-0.312331,0.000000,0.000000,0.174488,-0.530718,0.829393,0.000000,-0.258500,0.786244,0.561248,0.000000,-1650488.755696,5020065.068304,3559504.914633,1],    "boundingVolume": {    "region": [1.888356,0.595790,1.888527,0.595995,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433738.b3dm"}}}