{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897666,-0.440675,0.000000,0.000000,0.285463,-0.581495,0.761823,0.000000,-0.334768,0.681931,0.650308,0.000000,-2138225.592062,4355616.657433,4125833.653449,1],    "boundingVolume": {    "region": [2.027072,0.707876,2.027223,0.708104,0.000000,14.978487]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1796336.b3dm"}}}