{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944269,-0.329174,0.000000,0.000000,0.183942,-0.527658,0.829302,0.000000,-0.272410,0.781437,0.561382,0.000000,-1739305.705318,4989374.980562,3560358.642223,1],    "boundingVolume": {    "region": [1.906168,0.596017,1.906282,0.596092,0.000000,8.797946]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_851294.b3dm"}}}