{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x11f6f0746067e570757a496fc46b9a4c3f4abcfd43b30dcb62ec27fe6410c21c",
    "signature": "0x63a3e56a8287ab117a71352b2c31f8a8a65577f94abc74b890d9c6d688d3c47b374ed1e63d6f8e03ee07588f5fe09606f2708ef02cdc53daa4d730aff8f989a61c",
    "signer": "0xDf325b3870fdf216bD42916714b1AC2FA2D27425",
    "userId": "2009913"
  }
}