{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53710",
    "entityType": "User",
    "nonce": "0x665c67d0f126563ec7539ccb9c59c670c384bd443e8ae199bacd29e7b79c6262",
    "signature": "0x6811edf449a1468f77562ce6da97a6e04275d07d1b9a27cd32f0d5f463498b3d107e0da953f995d0ef2a2f92fb5205d6d36c1adbe6d65c311f7ea9dbaedb5aab1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}