{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950315,-0.311291,0.000000,0.000000,0.174025,-0.531267,0.829138,0.000000,-0.257559,0.786283,0.561625,0.000000,-1644484.756219,5020320.809648,3561906.128628,1],    "boundingVolume": {    "region": [1.887271,0.596256,1.887423,0.596442,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1331566.b3dm"}}}