{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235421",
    "entityType": "User",
    "nonce": "0x313272486ff9182a6987684130c7d6b647d3fea1255ab86c33c112096bd9dbf9",
    "signature": "0x7f11768603cc7d564e4bdd9b4f2550cfc38817475e29b48051e2f69317341dca1da865a3df9c48d928af84f96a3ccad33c6935e5bd175fa14d33120243daecbb1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}