{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949167,-0.314772,0.000000,0.000000,0.175827,-0.530192,0.829446,0.000000,-0.260537,0.785627,0.561168,0.000000,-1663497.310201,5016129.284423,3559001.197917,1],    "boundingVolume": {    "region": [1.890944,0.595743,1.891081,0.595850,0.000000,11.469352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363332.b3dm"}}}