{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x749012f596f8bd0603790c80e21aa959f083ae7c0699478c949c50dda4352df3",
    "signature": "0x97aaf50f2f3fa074be09ddcabc3f7aba7953769a1dd86b22701a14e3d0ef8e66568deacaa3b22f6a71f2cbbaf3ba22ebdc09bb54293b218f9dae150dbfb82d2b1b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}