{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898328,-0.439326,0.000000,0.000000,0.284307,-0.581345,0.762370,0.000000,-0.333985,0.682926,0.649666,0.000000,-2133215.030847,4361963.935948,4121747.188143,1],    "boundingVolume": {    "region": [2.025592,0.707109,2.025698,0.707182,0.000000,15.332688]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/3_1802558.b3dm"}}}