{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858194,-0.513325,0.000000,0.000000,0.262957,-0.439621,0.858829,0.000000,-0.440078,0.735737,0.514803,0.000000,-2809370.127876,4696802.336112,3264398.993142,1],    "boundingVolume": {    "region": [2.109769,0.540715,2.109933,0.540840,0.000000,77.369233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/10_438128.b3dm"}}}