{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950043,-0.312120,0.000000,0.000000,0.174056,-0.529797,0.830072,0.000000,-0.258539,0.786951,0.560238,0.000000,-1650731.372704,5024561.115293,3553086.106643,1],    "boundingVolume": {    "region": [1.888138,0.594607,1.888302,0.594738,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459249.b3dm"}}}