{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895637,-0.444785,0.000000,0.000000,0.284224,-0.572325,0.769195,0.000000,-0.341186,0.687025,0.641552,0.000000,-2179132.581930,4387988.266326,4070126.011941,1],    "boundingVolume": {    "region": [2.031670,0.696461,2.031791,0.696579,0.000000,71.286299]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_686964.b3dm"}}}