{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "738302",
    "entityType": "User",
    "nonce": "0xfb8388ed2eba593fce9dfe2343d03696d8faf377fdc362d1abafa054c96a02cd",
    "signature": "0x598596accd8f2118cbbfb17598ccafcc3c4ef96c8d6350a61ee16dcac9d26b506dd39c0bc821f1cc3e730b1c1c2ad3d50ecfcf448ea97cc6c96c099af677ee921c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}