{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x31efe6b44773db49ea102104909d6407a179cf30625663dfe8f95205548d0a18",
    "signature": "0xd35c6d5c43f51fdb8fef620084ba58af14aa4e6aab2347c9c437080f2b03d8187f9b7a0b03cc4edba9c3ec94ac48bc2e8a4674caa15782071539473535de1f321c",
    "signer": "0x5a3D8ee650e3AC49E3814789a0e2783f0bAFe395",
    "userId": "951735298"
  }
}