{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950582,-0.310474,0.000000,0.000000,0.173540,-0.531329,0.829201,0.000000,-0.256903,0.786563,0.561533,0.000000,-1640296.933542,5022109.030601,3561320.176386,1],    "boundingVolume": {    "region": [1.886440,0.596188,1.886537,0.596287,0.000000,8.811806]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/2_1427432.b3dm"}}}