{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330763",
    "entityType": "User",
    "nonce": "0x377b0c2ff271f0fa05c84de173dd49769f530d3786d6ec01a40e8fdaff257108",
    "signature": "0x6e2258403098ff5600d0990efe0cb19e0bd7f827fa95a6d0772c88a57bc2265f3fa4fa36f5456db22c4e21cf493bf5dc6fc03a4b030922fd5e8b33d0158ff0a91c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}