{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895729,-0.444601,0.000000,0.000000,0.284167,-0.572506,0.769081,0.000000,-0.340994,0.686993,0.641688,0.000000,-2177908.743122,4387787.533955,4070991.545357,1],    "boundingVolume": {    "region": [2.031465,0.696638,2.031586,0.696756,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_663864.b3dm"}}}