{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "576874887",
    "entityType": "User",
    "nonce": "0xae0e7f50f5c6c3e2172ff4adee7806f7cd05521c68f121b10e1e7cf9d7747eba",
    "signature": "0xb7bbde79ea50b8c2bffae35ac95983cca27e079be794ea4dd2ce112889343903719e37a129f56ed615a2514607cb79cfa1a6ae72994e97ab6ffd0dceab8c3e151b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}