{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871358,-0.490648,0.000000,0.000000,0.211834,-0.376204,0.901996,0.000000,-0.442006,0.784972,0.434107,0.000000,-2820954.897698,5009823.071668,2751994.990329,1],    "boundingVolume": {    "region": [2.083574,0.449006,2.083686,0.449087,0.000000,61.012005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_223878.b3dm"}}}