{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871417,-0.490543,0.000000,0.000000,0.211763,-0.376182,0.902022,0.000000,-0.441924,0.785048,0.434053,0.000000,-2820432.869277,5010306.520062,2751652.210999,1],    "boundingVolume": {    "region": [2.083453,0.448946,2.083566,0.449027,0.000000,62.954785]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_221904.b3dm"}}}