{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951209,-0.308549,0.000000,0.000000,0.115642,-0.356506,0.927109,0.000000,-0.285787,0.881037,0.376961,0.000000,-1823654.720902,5622049.698983,2389350.637466,1],    "boundingVolume": {    "region": [1.884382,0.386462,1.884545,0.386565,0.000000,56.986053]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/12_810.b3dm"}}}