{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951639,-0.307220,0.000000,0.000000,0.115159,-0.356714,0.927089,0.000000,-0.284549,0.881416,0.377011,0.000000,-1815759.614320,5624470.388921,2389664.326111,1],    "boundingVolume": {    "region": [1.883059,0.386559,1.883074,0.386574,0.000000,7.791695]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/12.b3dm"}}}