{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895066,-0.445934,0.000000,0.000000,0.284296,-0.570630,0.770427,0.000000,-0.342619,0.687695,0.640068,0.000000,-2188275.300883,4392240.262723,4060687.072565,1],    "boundingVolume": {    "region": [2.032947,0.694525,2.033081,0.694650,0.000000,49.547537]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/13_977725.b3dm"}}}