{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949180,-0.314734,0.000000,0.000000,0.116031,-0.349929,0.929563,0.000000,-0.292297,0.881512,0.370808,0.000000,-1865167.977838,5624994.906907,2350315.603089,1],    "boundingVolume": {    "region": [1.890919,0.379822,1.891027,0.379937,0.000000,41.877376]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/21_77502.b3dm"}}}