{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2108c9f81b5315439054ff882f334240d124f63c1bc48818468d17f4941dc8b0",
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}