{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x153c9ea761687fd8bb79a4e0a29e8f81fa599d6396dc8dabe07f283ac07a83ed",
    "signature": "0xed4639e4df95eb94d0a5eb7e29b3913bdcc83f062e54ab5b40e02aa1f657531660bd78dadabc6d82821dc85c4e481f586e1677098bcb1a6ba23e8e4a9efc2aa21b",
    "signer": "0x7B1EBae18ea119bA68B6491849eCc402a8Da5D72",
    "userId": "494113495"
  }
}