{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949907,-0.312531,0.000000,0.000000,0.174504,-0.530387,0.829601,0.000000,-0.258731,0.786388,0.560938,0.000000,-1651965.391758,5020983.571146,3557537.121165,1],    "boundingVolume": {    "region": [1.888571,0.595453,1.888735,0.595584,0.000000,8.462699]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1354730.b3dm"}}}