{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x00cc14e9f6e0e3724627c994d1fea1b2513669aaa4550aea66a3f5d9f1420fa6",
    "signature": "0x85f156b9a773458267a247a9d045a3eacd583e0199e3298a02c53e162df789f3477b9e05df9b1a70868b3cc639acad01a7663a123b488e59cac395b66f0f535c1b",
    "signer": "0x513f250dA1aDEE033Ab571cdDFA90FCCf87A9dE7",
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  }
}