{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275635",
    "entityType": "User",
    "nonce": "0xa668a6c5d16f55540ddceac8737eaa49fe483a4f0776d07260b64f9b17c3bcb8",
    "signature": "0xa26826c11f03e984e146ff69049df72721d462a27a78687cb1242a91b0070cb043b36c27fb06bd25cad17d489b439d5554bc68297a4882a4e1b0de0be9b2d97e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}