{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950575,-0.310494,0.000000,0.000000,0.173785,-0.532042,0.828692,0.000000,-0.256761,0.786070,0.562288,0.000000,-1639390.762795,5018978.944421,3566114.486419,1],    "boundingVolume": {    "region": [1.886460,0.597100,1.886558,0.597199,0.000000,8.691090]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1384195.b3dm"}}}