{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950843,-0.309672,0.000000,0.000000,0.173219,-0.531865,0.828924,0.000000,-0.256154,0.786514,0.561943,0.000000,-1635512.171604,5021807.766793,3563927.054566,1],    "boundingVolume": {    "region": [1.885562,0.596649,1.885728,0.596818,0.000000,8.788575]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1387140.b3dm"}}}