{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948934,-0.315474,0.000000,0.000000,0.176271,-0.530218,0.829336,0.000000,-0.261083,0.785329,0.561333,0.000000,-1666981.193111,5014225.897679,3560046.073140,1],    "boundingVolume": {    "region": [1.891683,0.595942,1.891821,0.596049,0.000000,8.775504]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/9_1068881.b3dm"}}}