{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948898,-0.315582,0.000000,0.000000,0.116854,-0.351360,0.928920,0.000000,-0.292879,0.880634,0.372432,0.000000,-1868887.279806,5619414.834325,2360617.061976,1],    "boundingVolume": {    "region": [1.891797,0.381578,1.891935,0.381678,0.000000,8.082765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/25/17_68821.b3dm"}}}