{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950858,-0.309626,0.000000,0.000000,0.173058,-0.531461,0.829216,0.000000,-0.256206,0.786807,0.561510,0.000000,-1635845.941216,5023667.966925,3561169.748788,1],    "boundingVolume": {    "region": [1.885523,0.596099,1.885669,0.596319,0.000000,8.811499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1423308.b3dm"}}}