{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xe7817f63bdfe555090ec343e499b7549cbfc0f7c0950e183ec5f0cb5d6f69a5f",
    "signature": "0xe282b8914b63a8174d8a63d8b6fcb7621381e082973ac5bf815482ade93e58be1580269c5842a194cdcce88c2ab9b64feecd109be3711c77a8dc94c2fd8b5ef11b",
    "signer": "0xC4e201BEaDD3933E76e562c99f9F367Ced3f68d7",
    "userId": "533673360"
  }
}