{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x2a0d980a30f48a31fe03619c4c8b81108ea188c0044504035507e567cde77da6",
    "signature": "0xff25d23670a9874e4d95ed67f3e0222bf0593639fe1794cb2833ca6ec7b76f9a5555cd354b779349b006b72436271bed5884521b2e836d5d9e4c12dd5c6776261c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "2047015"
  }
}