{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898211,-0.439564,0.000000,0.000000,0.283771,-0.579863,0.763697,0.000000,-0.334751,0.684036,0.648102,0.000000,-2138098.940704,4369024.248540,4111793.766633,1],    "boundingVolume": {    "region": [2.025843,0.704978,2.025975,0.705200,0.000000,7.804799]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1844475.b3dm"}}}