{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x92e5371bac9a23d7457a72faa99de156fbd5e8bf872e16408d294604476e4306",
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    "signer": "0xa9C46ABd29fFC11D3faA4BD5Da69d3acd4E65a16",
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}