{
  "manageEntity": {
    "action": "Save",
    "entityId": "26644",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xadac27550972ae2ed88a376212da24a8ab7c80c81796ce71095f755274f74031",
    "signature": "0x00a30bd6eb3875fbe04d65f99bbbb7d69676b6b54daceca619613d2e84f2aa57742f334c8857d102905205ffaafc5668082bc187a005cca18da45f0e649b24db1b",
    "signer": "0xc3C636563809DEFD1907A622b1C033Bd9b1d367D",
    "userId": "1149772"
  }
}