{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc7e614fb6576b848b78346858462b338525a76d1b6d1ec171f8475fd13a8b104",
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    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
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}