{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950104,-0.311935,0.000000,0.000000,0.173887,-0.529631,0.830213,0.000000,-0.258430,0.787136,0.560027,0.000000,-1650034.859783,5025742.283112,3551747.864316,1],    "boundingVolume": {    "region": [1.887943,0.594353,1.888107,0.594484,0.000000,8.109950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1378840.b3dm"}}}