{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0xe0926b66536d42b29d4e1da3aa0f56de82e51e7b9d4b3b3b8bdadf62a5b0c25a",
    "signature": "0x22cfc79455a731606bf682f539f31ae7aa299a7787bf75f18e18a2377ec47b4c16fa22201c69db1f70363c0b261bfc4f4746cd630caced7f9239c26857260cbe1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}