{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398",
    "entityType": "User",
    "nonce": "0x4de592e03222ba8cc47d517fee9d5d5db50d7f18f68521df741e2b0924b6580a",
    "signature": "0x70e401b43fc46546f5a07be88b03334a5fd261a309af5202bd8b7e4d8375c97f0c733399684599448f2df7443ec142b4270ac9eac2a15a731a09a2fc32778f8e1b",
    "signer": "0x6245d270201FE6e26477efA986E8C4035bF65C71",
    "userId": "36222594"
  }
}