{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc6f4938f405fd1baa5391b1f36cd3a9aa1e1d48c82c10f0a298673824a3d75e7",
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}