{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896575,-0.442891,0.000000,0.000000,0.283363,-0.573630,0.768540,0.000000,-0.339441,0.687155,0.642338,0.000000,-2167999.959614,4388831.478164,4075125.223637,1],    "boundingVolume": {    "region": [2.029533,0.697470,2.029702,0.697620,0.000000,54.447447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_939559.b3dm"}}}