{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948866,-0.315679,0.000000,0.000000,0.176410,-0.530254,0.829283,0.000000,-0.261236,0.785222,0.561411,0.000000,-1667958.177808,5013546.694310,3560541.668323,1],    "boundingVolume": {    "region": [1.891899,0.596036,1.892037,0.596143,0.000000,8.751617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1067989.b3dm"}}}