{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949830,-0.312768,0.000000,0.000000,0.174828,-0.530926,0.829188,0.000000,-0.258797,0.785928,0.561552,0.000000,-1652389.771940,5018058.619711,3561438.556566,1],    "boundingVolume": {    "region": [1.888817,0.596157,1.888988,0.596363,0.000000,29.576520]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1439288.b3dm"}}}