{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949359,-0.314194,0.000000,0.000000,0.175203,-0.529388,0.830091,0.000000,-0.260263,0.786403,0.560209,0.000000,-1661741.219159,5021061.527758,3552902.391098,1],    "boundingVolume": {    "region": [1.890323,0.594505,1.890485,0.594771,0.000000,8.636152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1380525.b3dm"}}}