{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xe215dc3e501483ff7f366a89f22687c07653e29a5ac17b8d2d0bfb3b79fad2a1",
    "signature": "0xeab0f8cd7e9b35ff24b0632bdae66c3cc52c306160b4291e458529566b006ea6533b0d367ca51f68ee883d8b74af69afbd30fee496d18a21ff14f3b5198cfc781b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}