{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949742,-0.313035,0.000000,0.000000,0.175058,-0.531123,0.829014,0.000000,-0.258963,0.785689,0.561810,0.000000,-1653447.967011,5016535.027413,3563082.383430,1],    "boundingVolume": {    "region": [1.889097,0.596470,1.889268,0.596675,0.000000,7.452568]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1334903.b3dm"}}}