{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949130,-0.314885,0.000000,0.000000,0.116031,-0.349741,0.929633,0.000000,-0.292459,0.881534,0.370629,0.000000,-1866202.586911,5625129.487686,2349179.612786,1],    "boundingVolume": {    "region": [1.891078,0.379629,1.891186,0.379744,0.000000,59.537360]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/19_75314.b3dm"}}}