{
  "manageEntity": {
    "action": "Save",
    "entityId": "117214",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1b89db8082607b5ca601aee36245599853f0596c8caa1ef37e7255eb96df8d10",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}