{
  "manageEntity": {
    "action": "Save",
    "entityId": "1972576171",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7fd39c14e17bc5ec846a05fc89bc113cbecf3e62cf3b2187376742b8108cc483",
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    "signer": "0x03e9Caf2aeac5a0F0e4Be56410d67A4148D38Fd4",
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}