{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949619,-0.313407,0.000000,0.000000,0.175271,-0.531070,0.829002,0.000000,-0.259267,0.785577,0.561827,0.000000,-1655390.973717,5015816.927067,3563190.427300,1],    "boundingVolume": {    "region": [1.889498,0.596509,1.889651,0.596677,0.000000,13.168907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/7_1411734.b3dm"}}}