{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75085",
    "entityType": "User",
    "nonce": "0x5e3141905a027c9bb919ecba87b3f8b3dc9bbf0fd944d9e95f14b891dcf88aea",
    "signature": "0x17ec318fd70a716ab845c4d6d4b6c17a5a365f96eb603af3ecafe35634f9dadd2686f56c43d740d590b07d9a887b05ffec7a962c1e5de01c6313b9909a3399c11c",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}