{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950466,-0.310827,0.000000,0.000000,0.173704,-0.531163,0.829272,0.000000,-0.257218,0.786536,0.561427,0.000000,-1642302.936390,5021937.210214,3560642.469392,1],    "boundingVolume": {    "region": [1.886811,0.596059,1.886908,0.596158,0.000000,8.801904]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1426717.b3dm"}}}