{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950055,-0.312082,0.000000,0.000000,0.174037,-0.529812,0.830067,0.000000,-0.258506,0.786956,0.560246,0.000000,-1650521.286384,5024593.875293,3553137.033652,1],    "boundingVolume": {    "region": [1.888098,0.594617,1.888262,0.594748,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459348.b3dm"}}}