{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949674,-0.313239,0.000000,0.000000,0.114734,-0.347848,0.930504,0.000000,-0.291207,0.882875,0.368416,0.000000,-1858199.718460,5633658.256589,2335138.206289,1],    "boundingVolume": {    "region": [1.889314,0.377180,1.889483,0.377429,0.000000,9.921514]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_22448.b3dm"}}}