{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11440",
    "entityType": "User",
    "nonce": "0xce6e1d053bb75e45e5c87dc65b420078f10a04b4a3284d58b383b7a4fc6a375e",
    "signature": "0xce868b7e4c3e4d3c0fe334a6f0b9f03fe50503b884309bb445fc6d25968ac8530c59f26b33c34066b6bedd8ba87f724a5ac6d4df852e44e2024373ecc914f03e1c",
    "signer": "0x75387BeED3d3B040a54C3e303fF0B07Da67a9186",
    "userId": "223536026"
  }
}