{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x2d89e8f9de766e27c71e9d3314c970433a8e09b0a76f3662ccb44d1ec43362f3",
    "signature": "0x8ff57534c2bbceb112bcec193716616c16588e989d1517514f71fed591d39d3756e9d1486988fe6077cff114bebd20802c44b00ffd37f828f3f5962bda7643171b",
    "signer": "0xe78f4db0d7A07c6560894af54fAac97902D8d04b",
    "userId": "406109114"
  }
}