{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949869,-0.312647,0.000000,0.000000,0.174654,-0.530625,0.829417,0.000000,-0.258769,0.786181,0.561211,0.000000,-1652209.546050,5019664.552886,3559272.984715,1],    "boundingVolume": {    "region": [1.888698,0.595764,1.888851,0.595932,0.000000,16.978513]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1352521.b3dm"}}}