{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952426,-0.304770,0.000000,0.000000,0.168754,-0.527365,0.832711,0.000000,-0.253261,0.791457,0.556287,0.000000,-1617011.396455,5053256.444050,3527976.910770,1],    "boundingVolume": {    "region": [1.880440,0.589867,1.880548,0.589954,0.000000,8.571082]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/14/21_1462978.b3dm"}}}