{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951658,-0.307160,0.000000,0.000000,0.170315,-0.527678,0.832195,0.000000,-0.255087,0.790324,0.557063,0.000000,-1628675.548469,5046036.619122,3532908.623265,1],    "boundingVolume": {    "region": [1.883002,0.590843,1.883006,0.590846,0.000000,6.411592]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/6/39/32.b3dm"}}}