{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb58e3088290ba4e51e35b7bd4c6b0a204517a2feb2c606164c471032fbd41cfd",
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}