{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951209,-0.308548,0.000000,0.000000,0.115643,-0.356510,0.927107,0.000000,-0.285786,0.881036,0.376965,0.000000,-1823647.446511,5622042.219944,2389373.632375,1],    "boundingVolume": {    "region": [1.884381,0.386466,1.884544,0.386569,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_1345.b3dm"}}}