{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896527,-0.442989,0.000000,0.000000,0.283532,-0.573816,0.768338,0.000000,-0.339427,0.686936,0.642580,0.000000,-2167907.719866,4387439.171890,4076662.888972,1],    "boundingVolume": {    "region": [2.029642,0.697786,2.029811,0.697935,0.000000,47.265181]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_505903.b3dm"}}}