{
  "manageEntity": {
    "action": "Save",
    "entityId": "480162771",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xef824c3ef4513350bddc386db50f24432bb7ec0c036737ed371da4d94acda39e",
    "signature": "0x9e6c2dc3a91e1aadc40fd88dd894f5e6572ba6df7bc7dd9b13cb6f994c607143373485843ae029eb8d407034db1e176b585d40eb3eb3a692be8dbe8043227c391c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}