{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949897,-0.312565,0.000000,0.000000,0.174714,-0.530963,0.829188,0.000000,-0.258629,0.785984,0.561551,0.000000,-1651315.429432,5018415.761947,3561433.656472,1],    "boundingVolume": {    "region": [1.888602,0.596157,1.888774,0.596362,0.000000,24.885976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1439200.b3dm"}}}