{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949419,-0.314011,0.000000,0.000000,0.175139,-0.529538,0.830010,0.000000,-0.260086,0.786375,0.560331,0.000000,-1660607.949289,5020884.804657,3553676.698505,1],    "boundingVolume": {    "region": [1.890130,0.594652,1.890292,0.594918,0.000000,8.819933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1379608.b3dm"}}}