{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949171,-0.314760,0.000000,0.000000,0.176027,-0.530817,0.829004,0.000000,-0.260387,0.785208,0.561824,0.000000,-1662541.938181,5013464.958348,3563171.211298,1],    "boundingVolume": {    "region": [1.890949,0.596579,1.891051,0.596600,0.000000,7.131304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/8_1418525.b3dm"}}}