{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949897,-0.312562,0.000000,0.000000,0.174735,-0.531031,0.829141,0.000000,-0.258612,0.785939,0.561622,0.000000,-1651207.840925,5018127.764047,3561886.266815,1],    "boundingVolume": {    "region": [1.888600,0.596243,1.888771,0.596448,0.000000,20.275392]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1402320.b3dm"}}}