{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949609,-0.313436,0.000000,0.000000,0.115925,-0.351214,0.929091,0.000000,-0.290942,0.881458,0.372000,0.000000,-1856525.175328,5624668.497489,2357876.454974,1],    "boundingVolume": {    "region": [1.889581,0.381139,1.889630,0.381186,0.000000,5.513625]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/12.b3dm"}}}