{
  "manageEntity": {
    "action": "Save",
    "entityId": "1200852824",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdf39b98f2dcfdb8f298491fdbede8cf3f8da988c418e9aad4b20511a50ffe894",
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    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
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}