{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950476,-0.310799,0.000000,0.000000,0.173663,-0.531090,0.829328,0.000000,-0.257212,0.786597,0.561344,0.000000,-1642265.200535,5022325.520429,3560115.690716,1],    "boundingVolume": {    "region": [1.886772,0.595951,1.886888,0.596066,0.000000,8.804843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1426646.b3dm"}}}