{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949012,-0.315241,0.000000,0.000000,0.175802,-0.529240,0.830059,0.000000,-0.261120,0.786085,0.560256,0.000000,-1667213.835064,5019030.943895,3553205.600142,1],    "boundingVolume": {    "region": [1.891460,0.594600,1.891554,0.594791,0.000000,20.736814]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/27_1213222.b3dm"}}}