{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950860,-0.309622,0.000000,0.000000,0.172988,-0.531252,0.829365,0.000000,-0.256249,0.786950,0.561289,0.000000,-1636120.194221,5024578.793124,3559767.928147,1],    "boundingVolume": {    "region": [1.885519,0.595833,1.885665,0.596052,0.000000,8.797125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1339877.b3dm"}}}