{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950678,-0.310180,0.000000,0.000000,0.173537,-0.531878,0.828849,0.000000,-0.256550,0.786306,0.562054,0.000000,-1638043.116256,5020478.208294,3564633.045885,1],    "boundingVolume": {    "region": [1.886096,0.596783,1.886261,0.596952,0.000000,8.745057]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_1396229.b3dm"}}}