{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x147aad6946570f3c74050a40d0c352a22ed934076c45650f556e2ac4a73a85d3",
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}