{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948973,-0.315358,0.000000,0.000000,0.175976,-0.529547,0.829827,0.000000,-0.261143,0.785830,0.560602,0.000000,-1667359.973851,5017414.024673,3555405.106614,1],    "boundingVolume": {    "region": [1.891582,0.595018,1.891677,0.595208,0.000000,8.815090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/29_1075049.b3dm"}}}