{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949618,-0.313411,0.000000,0.000000,0.175274,-0.531070,0.829002,0.000000,-0.259270,0.785575,0.561828,0.000000,-1655410.679746,5015806.386648,3563196.071628,1],    "boundingVolume": {    "region": [1.889502,0.596510,1.889655,0.596678,0.000000,13.168907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411764.b3dm"}}}