{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950514,-0.310682,0.000000,0.000000,0.173767,-0.531630,0.828960,0.000000,-0.257000,0.786276,0.561890,0.000000,-1640915.040339,5020285.682676,3563590.189217,1],    "boundingVolume": {    "region": [1.886658,0.596620,1.886756,0.596719,0.000000,14.464368]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1394328.b3dm"}}}