{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111374",
    "entityType": "User",
    "nonce": "0xf1c05e13b53bdc129a64f4ca60231cb77f781c589242d02a98761a7365741e1c",
    "signature": "0x35424abfec2b1cd90fb23b11a3be759e665c39c615ccfefc7d053bc3693ced645a943d636e17941cf3a58eb48a66fe506e835dfe7b6460f2be50ec8b547e8ee41c",
    "signer": "0x5bB9Cd295E2E2Ec2Da049D53c19449e5BD75e200",
    "userId": "354197891"
  }
}