{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895635,-0.444789,0.000000,0.000000,0.284309,-0.572490,0.769040,0.000000,-0.341119,0.686885,0.641737,0.000000,-2178711.831778,4387096.571209,4071304.380784,1],    "boundingVolume": {    "region": [2.031674,0.696703,2.031796,0.696821,0.000000,47.144606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/3_686937.b3dm"}}}