{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "320009",
    "entityType": "User",
    "nonce": "0x59cd365da00370b8e64bfd58dece60442c4710757d82c843b3af806260ec5072",
    "signature": "0x5f97ea754a24c3edaca13459b2e44b55def80e7fd2e091684072867914417d153e2c518b7a09445dee281bcd121f6ab875160704dea9663c7c0c6063fe937e381c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}