{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899294,-0.437345,0.000000,0.000000,0.282629,-0.581158,0.763135,0.000000,-0.332815,0.684353,0.648764,0.000000,-2125736.641053,4371058.805512,4116010.540572,1],    "boundingVolume": {    "region": [2.023357,0.705912,2.023524,0.706007,0.000000,47.342516]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1827420.b3dm"}}}