{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "221569417",
    "entityType": "User",
    "nonce": "0xc82b02d7f21a02bc7b85fc37d60c35d12b719d441ed2a806cc90d3ac5c287645",
    "signature": "0x80add773f31ef31da767bc115b83447e81597eedaf6a0e85b9fd81b1ff8cf9686158ccabebdd38cfeb7878d0135659ec0d7aa542bbb35902ef17e62a34c4ea681c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}