{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898430,-0.439116,0.000000,0.000000,0.283592,-0.580228,0.763486,0.000000,-0.334317,0.684012,0.648351,0.000000,-2135327.700214,4368876.447621,4113379.901849,1],    "boundingVolume": {    "region": [2.025345,0.705305,2.025477,0.705528,0.000000,8.330294]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/8_1831720.b3dm"}}}