{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896140,-0.443772,0.000000,0.000000,0.288253,-0.582089,0.760317,0.000000,-0.336449,0.679415,0.652072,0.000000,-2148977.151275,4339582.721663,4137052.422049,1],    "boundingVolume": {    "region": [2.030510,0.710261,2.030689,0.710366,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1785117.b3dm"}}}