{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x67ebaac6b572bf4991cdb5b07fee1b46da030e961c6a34abe76548fb6f0e2439",
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}