{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896315,-0.443418,0.000000,0.000000,0.283816,-0.573699,0.768322,0.000000,-0.339748,0.686759,0.642599,0.000000,-2169958.977434,4386307.368519,4076788.622831,1],    "boundingVolume": {    "region": [2.030138,0.697827,2.030271,0.697946,0.000000,49.655558]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_540270.b3dm"}}}