{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896930,-0.442172,0.000000,0.000000,0.282238,-0.572510,0.769789,0.000000,-0.339445,0.688552,0.640838,0.000000,-2168007.301345,4397731.277546,4065579.763489,1],    "boundingVolume": {    "region": [2.028723,0.695533,2.028906,0.695645,0.000000,42.492945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/1_446495.b3dm"}}}