{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896404,-0.443237,0.000000,0.000000,0.283584,-0.573522,0.768540,0.000000,-0.339706,0.687023,0.642339,0.000000,-2169690.480580,4387992.304979,4075129.162431,1],    "boundingVolume": {    "region": [2.029919,0.697471,2.030087,0.697620,0.000000,90.957159]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_939560.b3dm"}}}