{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898129,-0.439732,0.000000,0.000000,0.281185,-0.574304,0.768837,0.000000,-0.337151,0.688613,0.641982,0.000000,-2153370.930211,4398141.496669,4072859.022084,1],    "boundingVolume": {    "region": [2.026050,0.697052,2.026143,0.697108,0.000000,62.901239]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/6_752709.b3dm"}}}