{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310035",
    "entityType": "User",
    "nonce": "0xb87bf8a601e18d9a9bf08b06ff6652132bf9e3b51a125fd99df80ffa69f1fbce",
    "signature": "0x2000ebdf409b59ebd1c544f5acbf956ecc0545fb23c17cb6c905fd3418479c64033cb461ecc74c339b8c4d4ca1dd9e386da94113bce97d5bdb35eb0f8a9f5acd1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}