{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949607,-0.313443,0.000000,0.000000,0.175234,-0.530890,0.829125,0.000000,-0.259336,0.785684,0.561645,0.000000,-1655830.076219,5016501.151021,3562030.795682,1],    "boundingVolume": {    "region": [1.889564,0.596332,1.889662,0.596414,0.000000,9.548156]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/14_1409545.b3dm"}}}