{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x402a9e21b8edb1007d1c2fd198fa24d86f7d97405cd02479dd6729da3829e719",
    "signature": "0xb375db0540b60926cfb91fa5894291d404989ad0c8acbceda1c16bbea25959ca252444233fc2e857a1cbebe5d5ee4925af54b0e989491cc1572f8b7f7029dfe91b",
    "signer": "0x39788E2D020D54760872178Cea0d5AF12732F02D",
    "userId": "720903941"
  }
}