{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943230,-0.332139,0.000000,0.000000,0.186177,-0.528719,0.828127,0.000000,-0.274471,0.779460,0.563123,0.000000,-1752473.587598,4976790.825768,3571422.450244,1],    "boundingVolume": {    "region": [1.909294,0.598111,1.909439,0.598208,0.000000,6.367173]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_1248870.b3dm"}}}