{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950322,-0.311269,0.000000,0.000000,0.174101,-0.531539,0.828948,0.000000,-0.257482,0.786106,0.561908,0.000000,-1643993.189684,5019199.750801,3563700.394558,1],    "boundingVolume": {    "region": [1.887249,0.596598,1.887401,0.596783,0.000000,8.722073]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1399945.b3dm"}}}