{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950360,-0.311154,0.000000,0.000000,0.173540,-0.530045,0.830022,0.000000,-0.257723,0.787165,0.560312,0.000000,-1645522.465355,5025932.715831,3553559.179387,1],    "boundingVolume": {    "region": [1.887153,0.594704,1.887253,0.594821,0.000000,8.622843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_1459685.b3dm"}}}