{
  "manageEntity": {
    "action": "Save",
    "entityId": "274325189",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0dd014657b4120d4a67c1553b3d96575c1bdaa748219c1430ef2bb08b544f701",
    "signature": "0xa3883e0e33a1d8ab0c804c65e9cd029d048b657aa725c9f4d7acb53bdb1ae4857061f57a9ed1619cf95aa341a5004b416d871364a6cf8ae39871d291608ccbda1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}