{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951140,-0.308761,0.000000,0.000000,0.115726,-0.356493,0.927103,0.000000,-0.285982,0.880968,0.376975,0.000000,-1824900.562717,5621608.284660,2389437.436344,1],    "boundingVolume": {    "region": [1.884605,0.386476,1.884768,0.386579,0.000000,15.426830]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/12_2438.b3dm"}}}