{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950551,-0.310569,0.000000,0.000000,0.173510,-0.531057,0.829381,0.000000,-0.257038,0.786710,0.561266,0.000000,-1641152.926128,5023042.627267,3559620.199741,1],    "boundingVolume": {    "region": [1.886530,0.595857,1.886645,0.595972,0.000000,8.811984]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1425877.b3dm"}}}