{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x03f2984195fe17f0ffd42fc1b13bf6232802c3fcfcb499e298f4b07b57f1dd89",
    "signature": "0x45c41736b5fc759f0d13f26d032ecacb17dfcb2c4818c92d8c7beb6f0c4aa9d575b17f496d96f7b56eba0e22cdc72064be16741bb4749f6e06c445b4d7a344e31c",
    "signer": "0x83A4162810A55B49858D3b17aC8572D1c34eC8EE",
    "userId": "517422960"
  }
}