{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898323,-0.439336,0.000000,0.000000,0.284363,-0.581444,0.762273,0.000000,-0.333949,0.682836,0.649779,0.000000,-2132991.384913,4361388.157773,4122467.308205,1],    "boundingVolume": {    "region": [2.025603,0.707258,2.025709,0.707330,0.000000,6.331931]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/5_1802790.b3dm"}}}