{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949986,-0.312292,0.000000,0.000000,0.174470,-0.530733,0.829387,0.000000,-0.258466,0.786249,0.561256,0.000000,-1650273.317435,5020096.967365,3559559.447400,1],    "boundingVolume": {    "region": [1.888316,0.595800,1.888487,0.596005,0.000000,18.488243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_1433851.b3dm"}}}