{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950628,-0.310334,0.000000,0.000000,0.173627,-0.531862,0.828841,0.000000,-0.256674,0.786256,0.562067,0.000000,-1638838.907407,5020161.930267,3564712.172122,1],    "boundingVolume": {    "region": [1.886258,0.596798,1.886423,0.596967,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396412.b3dm"}}}