{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949727,-0.313078,0.000000,0.000000,0.174961,-0.530746,0.829275,0.000000,-0.259081,0.785927,0.561422,0.000000,-1654202.616444,5018049.798470,3560614.879624,1],    "boundingVolume": {    "region": [1.889152,0.596019,1.889305,0.596188,0.000000,11.448053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1349810.b3dm"}}}