{
  "manageEntity": {
    "action": "Save",
    "entityId": "1695253719",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x38c8d20ad3f35a26a4b35cf6b93c80d544ce7cc3dac5a5d348451f4ce748f5e0",
    "signature": "0x67935f65c82662246999946dce321a63951946a55c42843df18041a2b30feb7f4af1f319cdbfa7c40bdf4902c95e466a20a55c84bfdd0482c9f170317db234121b",
    "signer": "0x15ea5556dffA2162b82c5Aa96d8bcF804Dba7f70",
    "userId": "982114212"
  }
}