{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225485",
    "entityType": "User",
    "nonce": "0x5afea8d948ef62d7e829f1cc3cf4729ccd59abfa4c25ef28769d587e0620bed0",
    "signature": "0x6f6a086cffb9ea4654571f6aead7bf0fa0397fc4455f81506fab9c43072adbc663a35331fa6db3b74b8fa280006fadd6863c2547579fb03fa73db43d88073dba1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}