{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949339,-0.314254,0.000000,0.000000,0.175292,-0.529544,0.829973,0.000000,-0.260275,0.786273,0.560385,0.000000,-1661819.356658,5020238.324158,3554021.404362,1],    "boundingVolume": {    "region": [1.890386,0.594717,1.890548,0.594983,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1379120.b3dm"}}}