{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897646,-0.440716,0.000000,0.000000,0.283158,-0.576732,0.766291,0.000000,-0.336778,0.685946,0.645026,0.000000,-2151014.988117,4381163.349401,4092225.812645,1],    "boundingVolume": {    "region": [2.027130,0.701023,2.027256,0.701092,0.000000,28.389238]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_815143.b3dm"}}}