{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x456c333dd2d6165a5eb9404e7749776823111b3d4433e21b7a863c0f5bc5742b",
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    "signer": "0xf6eca2c1CDE9e52553c4636a5999b354714F0493",
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  }
}