{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898825,-0.438308,0.000000,0.000000,0.283045,-0.580431,0.763535,0.000000,-0.333724,0.684357,0.648293,0.000000,-2131536.331357,4371075.511930,4113012.536245,1],    "boundingVolume": {    "region": [2.024429,0.705281,2.024594,0.705400,0.000000,12.130138]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843468.b3dm"}}}