{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950504,-0.310713,0.000000,0.000000,0.173898,-0.531972,0.828713,0.000000,-0.256948,0.786032,0.562256,0.000000,-1640587.734339,5018732.689875,3565911.952989,1],    "boundingVolume": {    "region": [1.886690,0.597062,1.886788,0.597160,0.000000,8.288620]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/11_1326090.b3dm"}}}