{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944172,-0.329453,0.000000,0.000000,0.184103,-0.527618,0.829292,0.000000,-0.272637,0.781346,0.561397,0.000000,-1740755.582256,4988799.458284,3560455.869176,1],    "boundingVolume": {    "region": [1.906463,0.596036,1.906577,0.596111,0.000000,8.783083]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/2_1266679.b3dm"}}}