{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949166,-0.314777,0.000000,0.000000,0.175831,-0.530195,0.829444,0.000000,-0.260540,0.785624,0.561172,0.000000,-1663516.909562,5016104.661509,3559026.569880,1],    "boundingVolume": {    "region": [1.890949,0.595748,1.891086,0.595855,0.000000,11.469352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363197.b3dm"}}}