{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949321,-0.314308,0.000000,0.000000,0.175723,-0.530747,0.829113,0.000000,-0.260048,0.785436,0.561663,0.000000,-1660372.975022,5014918.302291,3562144.156435,1],    "boundingVolume": {    "region": [1.890474,0.596353,1.890573,0.596435,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417458.b3dm"}}}