{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948894,-0.315594,0.000000,0.000000,0.176254,-0.529941,0.829516,0.000000,-0.261240,0.785468,0.561064,0.000000,-1667984.888022,5015111.847750,3558339.100309,1],    "boundingVolume": {    "region": [1.891811,0.595618,1.891948,0.595724,0.000000,8.623701]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1070479.b3dm"}}}