{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28869",
    "entityType": "User",
    "nonce": "0x0e2a5933340f85a8a04889c8ff1967f9aba6d220ecb189fa3e2df2ba52f7e81e",
    "signature": "0x5a31e00e0ca06312e99447836c8edb04db2c1621afc56e0888f8ef62327c87215cc8206417ff223c0cdfbad1f8d01ce8424b4a2cc62b127b2535ee7f04b7704f1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}