{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "418876483",
    "entityType": "User",
    "nonce": "0xd17dba53424995610de46564cedc46d682efc6ce5c6bad1cb78ad0e313ab7fb7",
    "signature": "0xa13742e168a740da60fd9be15f09c2a98e20b05d953f683930d54b7ad34e86c97632c56abab3ccf2c0d7e63081679e050daae39b0abaa9552aeef3ceb1d9a9a01c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}