{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950627,-0.310336,0.000000,0.000000,0.173623,-0.531844,0.828853,0.000000,-0.256680,0.786267,0.562049,0.000000,-1638875.712796,5020231.770325,3564597.664909,1],    "boundingVolume": {    "region": [1.886260,0.596776,1.886426,0.596945,0.000000,8.793080]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396151.b3dm"}}}