{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949605,-0.313449,0.000000,0.000000,0.174859,-0.529741,0.829939,0.000000,-0.259598,0.786461,0.560435,0.000000,-1657494.387287,5021438.381551,3554343.547229,1],    "boundingVolume": {    "region": [1.889538,0.594779,1.889700,0.595044,0.000000,8.648347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1372454.b3dm"}}}