{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898313,-0.439357,0.000000,0.000000,0.284391,-0.581467,0.762245,0.000000,-0.333953,0.682803,0.649812,0.000000,-2133014.865218,4361177.581898,4122676.518547,1],    "boundingVolume": {    "region": [2.025626,0.707301,2.025732,0.707374,0.000000,11.006872]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/6_1805516.b3dm"}}}