{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897637,-0.440736,0.000000,0.000000,0.285527,-0.581527,0.761775,0.000000,-0.334793,0.681865,0.650365,0.000000,-2138384.269417,4355197.181035,4126191.803259,1],    "boundingVolume": {    "region": [2.027139,0.707951,2.027291,0.708178,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796869.b3dm"}}}