{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871407,-0.490560,0.000000,0.000000,0.211814,-0.376257,0.901979,0.000000,-0.441918,0.785002,0.434144,0.000000,-2820392.460342,5010011.480635,2752226.898679,1],    "boundingVolume": {    "region": [2.083472,0.449047,2.083585,0.449128,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_225055.b3dm"}}}