{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949738,-0.313044,0.000000,0.000000,0.175062,-0.531116,0.829017,0.000000,-0.258972,0.785690,0.561805,0.000000,-1653507.479209,5016540.033085,3563047.950608,1],    "boundingVolume": {    "region": [1.889108,0.596464,1.889279,0.596669,0.000000,8.008145]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1334938.b3dm"}}}