{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951890,-0.306441,0.000000,0.000000,0.112540,-0.349580,0.930123,0.000000,-0.284768,0.884568,0.369387,0.000000,-1817119.683115,5644473.184697,2341300.132025,1],    "boundingVolume": {    "region": [1.882166,0.378289,1.882330,0.378410,0.000000,5.664768]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/20/10_45549.b3dm"}}}