{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898116,-0.439759,0.000000,0.000000,0.281208,-0.574309,0.768824,0.000000,-0.337166,0.688592,0.641997,0.000000,-2153464.243004,4398006.492551,4072954.822707,1],    "boundingVolume": {    "region": [2.026080,0.697072,2.026173,0.697128,0.000000,62.901239]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/6_752812.b3dm"}}}