{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5862",
    "entityType": "User",
    "nonce": "0x990bdb7ce5dbe0c251f4ff8d0bd73edb2c4166df453fc0e53bc9c2c7e50df09c",
    "signature": "0xbb1ba3a5199664a984f0c6ff850870b8bd21b2f4faf003e3a051c9e20b67d41d34bedf32b3188be26d23bda227b09baaeb1e9f54a47de319609fa8a948734dd61b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}