{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949877,-0.312624,0.000000,0.000000,0.174634,-0.530609,0.829432,0.000000,-0.258755,0.786201,0.561190,0.000000,-1652116.470001,5019792.709058,3559136.365630,1],    "boundingVolume": {    "region": [1.888674,0.595738,1.888827,0.595906,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352868.b3dm"}}}