{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949964,-0.312359,0.000000,0.000000,0.174230,-0.529879,0.829983,0.000000,-0.258709,0.786801,0.560370,0.000000,-1651818.223979,5023606.139083,3553925.583446,1],    "boundingVolume": {    "region": [1.888390,0.594767,1.888553,0.594898,0.000000,12.879444]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/9_1461600.b3dm"}}}