{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950504,-0.310714,0.000000,0.000000,0.173447,-0.530593,0.829691,0.000000,-0.257255,0.786968,0.560804,0.000000,-1642536.282653,5024681.271876,3556687.986713,1],    "boundingVolume": {    "region": [1.886690,0.595299,1.886790,0.595415,0.000000,8.766081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/9_1345320.b3dm"}}}