{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950213,-0.311600,0.000000,0.000000,0.174255,-0.531383,0.829016,0.000000,-0.257777,0.786081,0.561807,0.000000,-1645874.297233,5019039.080338,3563062.641587,1],    "boundingVolume": {    "region": [1.887597,0.596476,1.887748,0.596662,0.000000,8.770327]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1329849.b3dm"}}}