{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948642,-0.316352,0.000000,0.000000,0.176413,-0.529008,0.830077,0.000000,-0.262047,0.785795,0.560230,0.000000,-1673127.670883,5017184.469077,3553034.704207,1],    "boundingVolume": {    "region": [1.892630,0.594551,1.892726,0.594774,0.000000,8.751338]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1215245.b3dm"}}}