{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871350,-0.490662,0.000000,0.000000,0.211899,-0.376304,0.901939,0.000000,-0.441990,0.784915,0.434227,0.000000,-2820852.255558,5009459.921940,2752756.033456,1],    "boundingVolume": {    "region": [2.083589,0.449140,2.083702,0.449220,0.000000,20.862282]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_226746.b3dm"}}}