{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "615702798",
    "entityType": "User",
    "nonce": "0x67cf82ff6b92e255257923a9a6f5618fa1a48607c851b7b807d71a2933f6b30a",
    "signature": "0x74d8211f61d159d72a8a3f45fb319d99627f07d8e96d63db36b748e9be45ecc83569e3dce9648fa27204634ba559fc06e0d0c8e068d85e5343218a5fc1bedf4a1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}