{
  "manageEntity": {
    "action": "Save",
    "entityId": "267806656",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3214556152d1eff63e0ebbc3735b3482bfd0ab2a6eaccd71fd43770d60239e6c",
    "signature": "0x404535a0b55acd44cc7418406bde55a8b7543f9fa2ddf27fc48d03b748ab61480a84d11ac9204202cbc6a89ca57dc66215c53530d5fdfbd1d45bcc58dc7870ea1b",
    "signer": "0x7D4BbCB8599743A623A81F98A332c4839F2E078E",
    "userId": "371289"
  }
}