{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x94728ff03c793c9a2df18063423c6c1e85e444d0a0ef96b2a6dbf0746c2f116b",
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    "signer": "0x180F1F6934CddfdeACE3f0568fd5c0DCb186E2ee",
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  }
}