{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6838510",
    "entityType": "User",
    "nonce": "0x78f7228b738cfa7737e664ec9b2a9d2b4bfa0bb3a48316bf4ac71c9cc7843a1c",
    "signature": "0xb60707866288d8a968c61daa1dee835d4d81453cd2bf26a4ef051c5d3e9002e92ee9c5488bf9360eb2edab8b56aac40dfe93ac1c026897b91b63e4b4b1610ecf1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}