{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146334",
    "entityType": "User",
    "nonce": "0xc3c74f0d57a51711e359ead1c1dc6f78cb0395b489ff5030a7c33dcf163e91bb",
    "signature": "0x6effd0f63b6b6a867508d2b2e896d6f46790f1bb44a7706df487345ddbc08a900f05633cce7fb30a1018d045f902dcefc4c4e5b9b7e5872a8e5be5e08b5cf5d81b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}