{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951196,-0.308587,0.000000,0.000000,0.115669,-0.356540,0.927092,0.000000,-0.285817,0.881010,0.377001,0.000000,-1823849.260606,5621877.726650,2389605.058274,1],    "boundingVolume": {    "region": [1.884422,0.386505,1.884585,0.386608,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_6310.b3dm"}}}