{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871438,-0.490506,0.000000,0.000000,0.211712,-0.376131,0.902055,0.000000,-0.441907,0.785097,0.433983,0.000000,-2820321.097391,5010614.943296,2751208.125999,1],    "boundingVolume": {    "region": [2.083410,0.448869,2.083522,0.448950,0.000000,60.082272]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_211020.b3dm"}}}