{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4598ec636c6873a4b0f7a2ba9a0eade007b7c1325789fc0ce66521e2ed5f306c",
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}