{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50471",
    "entityType": "User",
    "nonce": "0x45bd94c03820b48b3007ec7278796acd966ee10684f4e772c6fdf6607a1088d6",
    "signature": "0x628bd027742b76e483bc5fa273fde20141709c38541b797c7f2a4dbe1763a99d72a9e8d3ed3299d93ba53ec185c7960b441d0bda53e5a063ac9ca7e0d84756a21b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}