{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949470,-0.313859,0.000000,0.000000,0.175541,-0.531036,0.828967,0.000000,-0.259630,0.785419,0.561880,0.000000,-1657710.779704,5014814.007189,3563521.333386,1],    "boundingVolume": {    "region": [1.890001,0.596645,1.890102,0.596667,0.000000,16.507573]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/12_1414490.b3dm"}}}