{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "229344856",
    "entityType": "User",
    "nonce": "0x13f01fa605427598d41758b6c5849a981af37e2f8551313579d855b120f0c2ab",
    "signature": "0xe89d7bbc68e908d413857cfe5493e00f17beec063861e23e928e52cd43e9947235a970a9949006cc5b06b4f8a2a2dbb6f0b5c954cef5f931c7b7262580d6ff171c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}