{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949578,-0.313530,0.000000,0.000000,0.115557,-0.349983,0.929601,0.000000,-0.291190,0.881919,0.370711,0.000000,-1858106.410660,5627592.205313,2349695.491389,1],    "boundingVolume": {    "region": [1.889650,0.379716,1.889758,0.379832,0.000000,19.615959]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/1/20_74338.b3dm"}}}