{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50530",
    "entityType": "User",
    "nonce": "0xd323b192e5a8b034590379acd2b16a4581530a16824be6cd6c609df5866f3a19",
    "signature": "0xa8596faf5c93e2b04dcdf8e7b67bca3d8f0e3854796d4293f8d71e43de8ba8a47787ede75f3ba1fd2eedaff9af28cc092de9301d212afc528b4f5ad0f3158abc1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}