{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1e9ac32d47aed25e645cb281b33c5c6e1e5c643e52cf09970133fda62d721b50",
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    "userId": "895941245"
  }
}