{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943302,-0.331935,0.000000,0.000000,0.186191,-0.529124,0.827865,0.000000,-0.274215,0.779271,0.563510,0.000000,-1750841.477634,4975586.933107,3573882.933399,1],    "boundingVolume": {    "region": [1.909078,0.598580,1.909223,0.598677,0.000000,8.336706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_545138.b3dm"}}}