{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950912,-0.309462,0.000000,0.000000,0.172848,-0.531127,0.829474,0.000000,-0.256151,0.787098,0.561126,0.000000,-1635488.873351,5025520.872427,3558734.986196,1],    "boundingVolume": {    "region": [1.885350,0.595636,1.885496,0.595856,0.000000,8.807609]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1421832.b3dm"}}}