{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942976,-0.332862,0.000000,0.000000,0.186302,-0.527781,0.828697,0.000000,-0.275259,0.779791,0.562279,0.000000,-1757501.948508,4978887.021180,3566061.932354,1],    "boundingVolume": {    "region": [1.910071,0.597100,1.910196,0.597179,0.000000,7.430704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/1_1256444.b3dm"}}}