{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950557,-0.310550,0.000000,0.000000,0.173847,-0.532127,0.828624,0.000000,-0.256785,0.785991,0.562388,0.000000,-1639547.625070,5018471.376563,3566752.334141,1],    "boundingVolume": {    "region": [1.886519,0.597221,1.886616,0.597320,0.000000,13.985162]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1385042.b3dm"}}}