{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x66d374464a2ac0aaa52e48e27669e312b0fc5a779661b3fea9931aefb54ed5e5",
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}