{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949135,-0.314869,0.000000,0.000000,0.175650,-0.529475,0.829941,0.000000,-0.260775,0.786074,0.560432,0.000000,-1665008.210983,5018967.659598,3554321.518933,1],    "boundingVolume": {    "region": [1.891068,0.594812,1.891162,0.595003,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1372498.b3dm"}}}