{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6b260133c6ab0c319dd477475d103c6de6ef4c6078552d45a6f05bd932c07c90",
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}