{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950187,-0.311682,0.000000,0.000000,0.173889,-0.530115,0.829904,0.000000,-0.258123,0.786909,0.560488,0.000000,-1648079.558568,5024299.643551,3554675.801962,1],    "boundingVolume": {    "region": [1.887709,0.594916,1.887809,0.595033,0.000000,8.600718]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/6_1358020.b3dm"}}}