{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "198279",
    "entityType": "User",
    "nonce": "0x0d3d7bb0bd16ca9285f5b83fd90ba3433ff17bc825b270e846e46da4ae472d85",
    "signature": "0xe738199f9514a511a983e242dcc58aec0d22ddb9c738a30832a9e8993bd404ee5e761d0b1320b8914a250f7ec29afc7ee150eb12982e6aaf52c7ec6d34127d4e1c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}