{
  "manageEntity": {
    "action": "Save",
    "entityId": "207240844",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xe1edff17f134bf9196816dcf1b7d1450ec13ff97feac88ef6239c0966e9e766f",
    "signature": "0x137944825c258d8a66f7b064de2eb7601fe5315c4d155028f9c85f72830972b16e8e128a792f6ce2c3999feb8a9e42067aacf87360222f139249cc987354b0c51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}