{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48340",
    "entityType": "User",
    "nonce": "0x2425d0dbaa33e9407b943b92e9c1944a0f1d68f40aff5f84a8ad6ed40151bc9a",
    "signature": "0xf8314c04dd6e15d9d9e2902c14e338032f3b58356dc094127bab48d655c6c5917c86fb5462f682e2848f9b50733cdfc281cbb331dba0c534e5b2c5fd13662f681c",
    "signer": "0xA3cEd4452Ec88415B96DE1F0BDfc3a358cE048b5",
    "userId": "387447420"
  }
}