{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950196,-0.311652,0.000000,0.000000,0.174268,-0.531326,0.829050,0.000000,-0.257831,0.786100,0.561757,0.000000,-1646220.276640,5019155.203441,3562741.381712,1],    "boundingVolume": {    "region": [1.887652,0.596415,1.887804,0.596600,0.000000,8.777635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1330509.b3dm"}}}