{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951185,-0.308622,0.000000,0.000000,0.115680,-0.356529,0.927095,0.000000,-0.285851,0.881002,0.376995,0.000000,-1824064.013332,5621825.547953,2389564.172373,1],    "boundingVolume": {    "region": [1.884459,0.386498,1.884622,0.386601,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_4659.b3dm"}}}