{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8bb63b70871233fb35b62aa3c1387bed61d4a9db5feec2e8c40d4981a0269921",
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}