{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2059ac8e68e7afaa7cf38d6f82044f35c11a723e8a21242cfddcfa01677b730b",
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    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
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}