{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944302,-0.329079,0.000000,0.000000,0.183945,-0.527836,0.829189,0.000000,-0.272294,0.781356,0.561551,0.000000,-1738564.120090,4988862.484650,3561431.608858,1],    "boundingVolume": {    "region": [1.906067,0.596221,1.906182,0.596296,0.000000,8.785275]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/4_851637.b3dm"}}}