{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0x595bb33952c34a0ffa345b7f7c2a0d3ff3168dd0a9520a36555ea0cd07372bdc",
    "signature": "0xe228e503638dbf2c2f6a28642ba9f6da6480a2541eefce66eb8f2129d1dd5e040968d34f017a6569f1888fe8c0155cffeae793cc8a6f6c36012786ed04ef6c501c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}