{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896301,-0.443447,0.000000,0.000000,0.283792,-0.573604,0.768401,0.000000,-0.339805,0.686819,0.642505,0.000000,-2170324.835104,4386689.688408,4076186.519481,1],    "boundingVolume": {    "region": [2.030171,0.697703,2.030303,0.697822,0.000000,66.439108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_543288.b3dm"}}}