{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949631,-0.313370,0.000000,0.000000,0.175254,-0.531086,0.828996,0.000000,-0.259235,0.785581,0.561837,0.000000,-1655184.777857,5015842.644195,3563249.615172,1],    "boundingVolume": {    "region": [1.889460,0.596520,1.889613,0.596689,0.000000,9.988233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_1412014.b3dm"}}}