{
  "manageEntity": {
    "action": "Save",
    "entityId": "32958",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb183f53e4ce29fe3e80db97383e897538e16eac24c4363e0321a23571eb51e2e",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}