{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949089,-0.315008,0.000000,0.000000,0.116109,-0.349825,0.929592,0.000000,-0.292560,0.881456,0.370734,0.000000,-1866848.048866,5624636.278321,2349843.141040,1],    "boundingVolume": {    "region": [1.891207,0.379741,1.891316,0.379857,0.000000,86.206870]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/20_76436.b3dm"}}}