{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898004,-0.439987,0.000000,0.000000,0.281367,-0.574264,0.768800,0.000000,-0.337331,0.688484,0.642026,0.000000,-2154516.331664,4397316.951133,4073141.673437,1],    "boundingVolume": {    "region": [2.026334,0.697110,2.026427,0.697166,0.000000,34.024416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_753016.b3dm"}}}