{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949114,-0.314932,0.000000,0.000000,0.115899,-0.349286,0.929821,0.000000,-0.292563,0.881699,0.370154,0.000000,-1866862.574902,5626178.257252,2346162.085868,1],    "boundingVolume": {    "region": [1.891128,0.379117,1.891236,0.379232,0.000000,33.608448]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/14_6485.b3dm"}}}