{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948775,-0.315953,0.000000,0.000000,0.176129,-0.528898,0.830208,0.000000,-0.261757,0.786031,0.560035,0.000000,-1671280.251812,5018682.821610,3551796.189099,1],    "boundingVolume": {    "region": [1.892209,0.594316,1.892305,0.594539,0.000000,8.745765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1093431.b3dm"}}}