{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948814,-0.315834,0.000000,0.000000,0.176305,-0.529646,0.829694,0.000000,-0.261495,0.785572,0.560801,0.000000,-1669610.991088,5015766.759078,3556664.287185,1],    "boundingVolume": {    "region": [1.892084,0.595241,1.892180,0.595464,0.000000,8.749932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072955.b3dm"}}}