{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949741,-0.313037,0.000000,0.000000,0.175059,-0.531120,0.829015,0.000000,-0.258966,0.785690,0.561808,0.000000,-1653466.710571,5016540.485175,3563066.110969,1],    "boundingVolume": {    "region": [1.889100,0.596467,1.889271,0.596672,0.000000,7.452568]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1334910.b3dm"}}}