{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949585,-0.313510,0.000000,0.000000,0.175043,-0.530186,0.829616,0.000000,-0.259546,0.786135,0.560916,0.000000,-1657167.242218,5019367.030256,3557399.889394,1],    "boundingVolume": {    "region": [1.889634,0.595451,1.889733,0.595533,0.000000,19.445033]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/2_1457492.b3dm"}}}