{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeb1f6bb5eb44016029a0b2149f9487f8565b5a08daaf473deadb76fdeca1bf74",
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}