{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871402,-0.490570,0.000000,0.000000,0.211802,-0.376225,0.901995,0.000000,-0.441935,0.785011,0.434110,0.000000,-2820501.137679,5010068.761700,2752012.690718,1],    "boundingVolume": {    "region": [2.083484,0.449010,2.083596,0.449090,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_224043.b3dm"}}}