{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950183,-0.311693,0.000000,0.000000,0.173996,-0.530420,0.829687,0.000000,-0.258064,0.786698,0.560811,0.000000,-1647703.184984,5022961.166724,3556727.456268,1],    "boundingVolume": {    "region": [1.887720,0.595306,1.887820,0.595423,0.000000,8.780947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1454511.b3dm"}}}