{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857969,-0.513701,0.000000,0.000000,0.262839,-0.438986,0.859190,0.000000,-0.440587,0.735857,0.514196,0.000000,-2812617.325741,4697553.628157,3260545.450503,1],    "boundingVolume": {    "region": [2.110207,0.540008,2.110372,0.540133,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_351066.b3dm"}}}