{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950214,-0.311599,0.000000,0.000000,0.174158,-0.531091,0.829223,0.000000,-0.257841,0.786280,0.561499,0.000000,-1646286.132052,5020302.232532,3561105.490556,1],    "boundingVolume": {    "region": [1.887603,0.596092,1.887741,0.596301,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1341996.b3dm"}}}