{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "328108",
    "entityType": "User",
    "nonce": "0xb18cd31268b4fb2cde5e11ea6e94d6b082c88db66d4ad87190ab0715e490ddd9",
    "signature": "0x6b777cd29568bb301f6d661b94e176dd26480a94e830ec3f34a6c36726965a8d1efdc4bac0f6e291212219974e806e71d5d14bb7f665cf021cf8d40b10e230881c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}