{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950330,-0.311243,0.000000,0.000000,0.115107,-0.351460,0.929100,0.000000,-0.288909,0.882136,0.371978,0.000000,-1843554.972260,5628992.029662,2357736.426043,1],    "boundingVolume": {    "region": [1.887234,0.381088,1.887360,0.381191,0.000000,10.181920]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/12_66421.b3dm"}}}