{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfb57e503f9936cf4c969d47f5b5d18329af517b4629d588dd75cd6e7315e7c60",
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    "signer": "0xE66b0da662DC3EB7Af2524970E1EC826e75EbC81",
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}