{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "823613833",
    "entityType": "User",
    "nonce": "0x5ec382fdaac89b29002ed12978f9b16c306248e255dd7127384a20de04ed9272",
    "signature": "0xa044b1a9fe0f9aa604921f58ee46d0731b67d5de9cb587fc00119741e27c56f24863d7ab9e8a592d844d93724965f09bba014822a2111d1a3c2a14aec8c0c5201b",
    "signer": "0xCedE64dcD8b0FdEDBdADF4b0ba433797eD6301c9",
    "userId": "638733607"
  }
}