{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949735,-0.313054,0.000000,0.000000,0.174959,-0.530786,0.829250,0.000000,-0.259053,0.785910,0.561460,0.000000,-1654024.063239,5017939.215408,3560852.066857,1],    "boundingVolume": {    "region": [1.889127,0.596064,1.889280,0.596233,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1434856.b3dm"}}}