{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950043,-0.312120,0.000000,0.000000,0.174053,-0.529789,0.830078,0.000000,-0.258541,0.786956,0.560229,0.000000,-1650743.285686,5024595.957507,3553031.666502,1],    "boundingVolume": {    "region": [1.888138,0.594597,1.888302,0.594728,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459125.b3dm"}}}