{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14737",
    "entityType": "User",
    "nonce": "0x497eb46ef573c1903d1bf2348c8aca36834f6ad1f81d883742c8549b682cd126",
    "signature": "0x9e88abc2d111a44a7c608bcd4ec6b352b76ce585c628f8fc50eb7feb5543ebb61f2e98b7ec1f1189bb1115291be31794045da729e8aebd721d228fe591666cff1c",
    "signer": "0xB37E6e788b6A39dCDcB53bf8D70077f76F5F5C26",
    "userId": "895209133"
  }
}