{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950253,-0.311480,0.000000,0.000000,0.173697,-0.529907,0.830077,0.000000,-0.258010,0.787129,0.560230,0.000000,-1647357.509367,5025701.287530,3553039.737034,1],    "boundingVolume": {    "region": [1.887465,0.594598,1.887628,0.594729,0.000000,8.815362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1459150.b3dm"}}}