{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950887,-0.309539,0.000000,0.000000,0.173184,-0.532012,0.828837,0.000000,-0.256016,0.786467,0.562072,0.000000,-1634633.141960,5021509.659292,3564744.774446,1],    "boundingVolume": {    "region": [1.885421,0.596804,1.885587,0.596973,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387851.b3dm"}}}