{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892466,-0.451115,0.000000,0.000000,0.290961,-0.575624,0.764198,0.000000,-0.343776,0.680110,0.647510,0.000000,-2195731.989308,4343934.089609,4108028.019982,1],    "boundingVolume": {    "region": [2.038759,0.704278,2.038863,0.704347,0.000000,19.504704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/9_1977724.b3dm"}}}