{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xde1468b2c3c5aa9baf8d3306be0a7276715bfc459ab2ee414261a682a1d6d366",
    "signature": "0x167698d5bfefec63955a9cefa3e14a437ea5d0d4cabedea6e7b6583d8ba783d63320d9fea5a2d542023d93efbc96cfb65d29455a8549e66cb3cc224b6ab59f581c",
    "signer": "0x84206eF8bAD3F78F1B7914C57F2a4Af1fecd784E",
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}