{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222934",
    "entityType": "User",
    "nonce": "0xb016d92e8d7e8d471e11721986510ac78617b2e07fd5ee1db8a86d60ff143cd4",
    "signature": "0xacda4515dd1a51b7a3f662d94f9087db7a225afa91ed99a48a3a36ea39fce3ab11564156eaf7da2e6dfa76584c28cda9e1ccd9c8d17de67d9de7a441659bcf721c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}