{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857940,-0.513750,0.000000,0.000000,0.263083,-0.439337,0.858936,0.000000,-0.440498,0.735612,0.514623,0.000000,-2812047.368416,4695998.957442,3263257.132046,1],    "boundingVolume": {    "region": [2.110264,0.540505,2.110428,0.540631,0.000000,14.544166]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_404044.b3dm"}}}