{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948624,-0.316405,0.000000,0.000000,0.176451,-0.529022,0.830060,0.000000,-0.262085,0.785765,0.560255,0.000000,-1673372.920390,5016987.702242,3553195.962919,1],    "boundingVolume": {    "region": [1.892686,0.594582,1.892782,0.594805,0.000000,8.799331]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1215478.b3dm"}}}