{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949302,-0.314367,0.000000,0.000000,0.175628,-0.530349,0.829388,0.000000,-0.260183,0.785683,0.561255,0.000000,-1661237.171058,5016484.604831,3559552.311308,1],    "boundingVolume": {    "region": [1.890517,0.595848,1.890654,0.595955,0.000000,8.515199]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8_1361759.b3dm"}}}