{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949641,-0.313341,0.000000,0.000000,0.174771,-0.529678,0.829998,0.000000,-0.259527,0.786547,0.560348,0.000000,-1657041.343229,5021984.864788,3553786.404674,1],    "boundingVolume": {    "region": [1.889424,0.594673,1.889587,0.594938,0.000000,8.789707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1379471.b3dm"}}}