{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948883,-0.315629,0.000000,0.000000,0.176462,-0.530500,0.829115,0.000000,-0.261142,0.785075,0.561661,0.000000,-1667358.363601,5012609.426604,3562131.164556,1],    "boundingVolume": {    "region": [1.891848,0.596339,1.891985,0.596445,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112583.b3dm"}}}