{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897643,-0.440723,0.000000,0.000000,0.283169,-0.576744,0.766278,0.000000,-0.336778,0.685932,0.645041,0.000000,-2151011.196706,4381073.673864,4092323.154564,1],    "boundingVolume": {    "region": [2.027137,0.701043,2.027264,0.701112,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815500.b3dm"}}}