{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948993,-0.315296,0.000000,0.000000,0.175949,-0.529580,0.829812,0.000000,-0.261087,0.785833,0.560625,0.000000,-1667005.535706,5017429.187158,3555548.938249,1],    "boundingVolume": {    "region": [1.891518,0.595045,1.891613,0.595236,0.000000,8.814698]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1074590.b3dm"}}}