{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950157,-0.311772,0.000000,0.000000,0.173825,-0.529750,0.830151,0.000000,-0.258275,0.787121,0.560120,0.000000,-1649046.927306,5025644.915548,3552340.421520,1],    "boundingVolume": {    "region": [1.887771,0.594465,1.887935,0.594597,0.000000,8.814051]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1458316.b3dm"}}}