{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944545,-0.328381,0.000000,0.000000,0.183601,-0.528106,0.829092,0.000000,-0.271684,0.781465,0.561694,0.000000,-1734671.774816,4989564.656362,3562339.676633,1],    "boundingVolume": {    "region": [1.905328,0.596394,1.905442,0.596469,0.000000,8.811704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_189729.b3dm"}}}