{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950227,-0.311557,0.000000,0.000000,0.173752,-0.529933,0.830049,0.000000,-0.258065,0.787082,0.560272,0.000000,-1647708.240250,5025397.983341,3553304.315790,1],    "boundingVolume": {    "region": [1.887545,0.594648,1.887709,0.594780,0.000000,7.785604]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1375539.b3dm"}}}