{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948945,-0.315442,0.000000,0.000000,0.176335,-0.530468,0.829162,0.000000,-0.261002,0.785172,0.561590,0.000000,-1666466.695129,5013227.152487,3561682.108365,1],    "boundingVolume": {    "region": [1.891651,0.596253,1.891788,0.596360,0.000000,8.808381]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1150999.b3dm"}}}