{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x804b5843a15e36f46697b138845a5601caabf875698be449bff2519158f7f535",
    "signature": "0xb542e0864d68623e0ffd827c9b22b66e710e9674d955e2c732210d04ca2ec95e03a158adeba8ec4223b8737b8c1899965045763f24c51714d967ac1992e203d71c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}