{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896570,-0.442902,0.000000,0.000000,0.283368,-0.573624,0.768543,0.000000,-0.339451,0.687153,0.642334,0.000000,-2168062.944541,4388821.874095,4075102.213053,1],    "boundingVolume": {    "region": [2.029545,0.697466,2.029714,0.697615,0.000000,54.447447]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_939419.b3dm"}}}