{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952575,-0.304303,0.000000,0.000000,0.112933,-0.353519,0.928585,0.000000,-0.282309,0.883725,0.373273,0.000000,-1801443.151409,5639146.979298,2365952.161032,1],    "boundingVolume": {    "region": [1.879953,0.382499,1.880053,0.382570,0.000000,12.360025]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/31/48_41830.b3dm"}}}