{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735193414",
    "entityType": "User",
    "nonce": "0xd36c87d7d84a248d8931527c7442dc10a5911f9f8a29e85aa053a5bace7d17ef",
    "signature": "0xb16f43194bb258183656cc4b89829eb5111b4bbf582a5eb155ab86417b0857d15940cef09310d2fd41ea9c46f639ca73f920faaaf14cff72a49898d98f7056fe1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}