{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950373,-0.311112,0.000000,0.000000,0.173949,-0.531374,0.829086,0.000000,-0.257395,0.786280,0.561704,0.000000,-1643437.669996,5020308.998732,3562402.666121,1],    "boundingVolume": {    "region": [1.887083,0.596351,1.887235,0.596536,0.000000,8.765474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1397958.b3dm"}}}