{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949535,-0.313660,0.000000,0.000000,0.175429,-0.531072,0.828968,0.000000,-0.259465,0.785474,0.561879,0.000000,-1656657.138945,5015165.527639,3563516.651928,1],    "boundingVolume": {    "region": [1.889790,0.596644,1.889892,0.596666,0.000000,8.841566]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/12_1414433.b3dm"}}}