{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944344,-0.328959,0.000000,0.000000,0.183860,-0.527808,0.829225,0.000000,-0.272207,0.781425,0.561497,0.000000,-1738008.424588,4989302.554210,3561088.653238,1],    "boundingVolume": {    "region": [1.905940,0.596156,1.906055,0.596231,0.000000,8.769746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_851516.b3dm"}}}