{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949664,-0.313270,0.000000,0.000000,0.175224,-0.531184,0.828939,0.000000,-0.259134,0.785553,0.561921,0.000000,-1654540.543293,5015671.561723,3563785.980204,1],    "boundingVolume": {    "region": [1.889380,0.596696,1.889481,0.596717,0.000000,8.277846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/14_1415645.b3dm"}}}