{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949476,-0.313838,0.000000,0.000000,0.175460,-0.530830,0.829116,0.000000,-0.259660,0.785567,0.561659,0.000000,-1657899.660306,5015754.356920,3562119.191175,1],    "boundingVolume": {    "region": [1.889980,0.596349,1.890079,0.596430,0.000000,19.594049]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1410305.b3dm"}}}