{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949328,-0.314286,0.000000,0.000000,0.175535,-0.530219,0.829491,0.000000,-0.260149,0.785804,0.561101,0.000000,-1661017.684050,5017254.301780,3558576.362717,1],    "boundingVolume": {    "region": [1.890432,0.595663,1.890569,0.595769,0.000000,8.746050]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_1365330.b3dm"}}}