{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943812,-0.330483,0.000000,0.000000,0.184140,-0.525876,0.830390,0.000000,-0.273856,0.782091,0.559765,0.000000,-1748523.288204,4993525.309332,3550079.516547,1],    "boundingVolume": {    "region": [1.907557,0.594011,1.907667,0.594192,0.000000,8.597201]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1243015.b3dm"}}}