{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899065,-0.437815,0.000000,0.000000,0.282819,-0.580776,0.763356,0.000000,-0.333270,0.684379,0.648504,0.000000,-2128638.039979,4371218.005009,4114352.842904,1],    "boundingVolume": {    "region": [2.023880,0.705558,2.024046,0.705677,0.000000,65.677038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/8_1828217.b3dm"}}}