{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871406,-0.490562,0.000000,0.000000,0.211815,-0.376256,0.901979,0.000000,-0.441920,0.785001,0.434143,0.000000,-2820405.660966,5010006.580210,2752222.322392,1],    "boundingVolume": {    "region": [2.083475,0.449046,2.083587,0.449127,0.000000,74.070240]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_225037.b3dm"}}}