{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897909,-0.440181,0.000000,0.000000,0.282584,-0.576432,0.766728,0.000000,-0.336562,0.686541,0.644505,0.000000,-2149632.308602,4384956.525531,4088910.597227,1],    "boundingVolume": {    "region": [2.026533,0.700341,2.026660,0.700410,0.000000,15.625746]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_852560.b3dm"}}}