{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xee72a6fbe31b1b57b914c2bb6fd52c4b6748ba72324ad2956b505c17c68b65b1",
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    "signer": "0x8cfeb8eAf1f4960B56107c4a77E649E4f35cC7db",
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}