{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240425",
    "entityType": "User",
    "nonce": "0x178a635a1bfcdcb550ea417027130486b7ff8f80c9f21ebd1827514aadb153f0",
    "signature": "0xcec50b4d000502579006fb35a0bb46ee72eb9a32eb328da638624f022c1f2580070771c2cb8538091d734ee42c913b0fbd308bef965a6d9bde4360c38359fa611c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}