{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942946,-0.332946,0.000000,0.000000,0.186401,-0.527911,0.828592,0.000000,-0.275294,0.779667,0.562435,0.000000,-1757722.272896,4978095.519960,3567051.528383,1],    "boundingVolume": {    "region": [1.910160,0.597288,1.910285,0.597368,0.000000,8.787063]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1256023.b3dm"}}}