{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895728,-0.444602,0.000000,0.000000,0.284149,-0.572467,0.769117,0.000000,-0.341011,0.687025,0.641645,0.000000,-2178015.570134,4387989.544660,4070718.488668,1],    "boundingVolume": {    "region": [2.031466,0.696582,2.031587,0.696700,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_949125.b3dm"}}}