{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948855,-0.315711,0.000000,0.000000,0.176495,-0.530447,0.829141,0.000000,-0.261218,0.785078,0.561621,0.000000,-1667843.005811,5012629.502861,3561877.728515,1],    "boundingVolume": {    "region": [1.891933,0.596290,1.892071,0.596397,0.000000,8.505044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1056458.b3dm"}}}