{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948623,-0.316408,0.000000,0.000000,0.176635,-0.529571,0.829672,0.000000,-0.261963,0.785392,0.560833,0.000000,-1672598.936943,5014622.076745,3556873.080171,1],    "boundingVolume": {    "region": [1.892689,0.595281,1.892785,0.595504,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1072749.b3dm"}}}