{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942949,-0.332938,0.000000,0.000000,0.186476,-0.528137,0.828431,0.000000,-0.275233,0.779516,0.562673,0.000000,-1757336.798718,4977137.803193,3568567.355072,1],    "boundingVolume": {    "region": [1.910151,0.597576,1.910277,0.597656,0.000000,7.272390]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8_1255336.b3dm"}}}