{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895731,-0.444597,0.000000,0.000000,0.284126,-0.572428,0.769155,0.000000,-0.341024,0.687061,0.641600,0.000000,-2178097.949755,4388216.643497,4070431.529633,1],    "boundingVolume": {    "region": [2.031460,0.696524,2.031582,0.696642,0.000000,33.651999]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_663190.b3dm"}}}