{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944352,-0.328937,0.000000,0.000000,0.183912,-0.527997,0.829093,0.000000,-0.272144,0.781306,0.561692,0.000000,-1737610.128279,4988548.391003,3562330.979625,1],    "boundingVolume": {    "region": [1.905916,0.596392,1.906031,0.596467,0.000000,8.814408]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_288859.b3dm"}}}