{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949017,-0.315225,0.000000,0.000000,0.175938,-0.529678,0.829751,0.000000,-0.261009,0.785794,0.560715,0.000000,-1666505.004776,5017186.844957,3556121.642905,1],    "boundingVolume": {    "region": [1.891442,0.595154,1.891537,0.595345,0.000000,8.647582]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/30_1073291.b3dm"}}}