{
  "manageEntity": {
    "action": "Save",
    "entityId": "2035",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x00cecbd07dc1b46591453444b1fe03a951f352f357cf3b99d6ab60e6cc76bfbc",
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    "signer": "0xE5095013A3fC4cF11919998DBcCFC0Ae84D32963",
    "userId": "306008852"
  }
}