{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898892,-0.438170,0.000000,0.000000,0.283759,-0.582124,0.761979,0.000000,-0.332933,0.683003,0.650125,0.000000,-2126504.021279,4362462.904661,4124666.223100,1],    "boundingVolume": {    "region": [2.024305,0.707712,2.024411,0.707785,0.000000,7.058573]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/12_1778720.b3dm"}}}