{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4be01e1af4cefd838db10aca66d1ec25cbef635ee890c1622c623f47ea06f42b",
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    "signer": "0x914978409E48454c7f910d43851B499F0ef1C4d2",
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  }
}