{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30092",
    "entityType": "User",
    "nonce": "0x5f92b7ec63be088b25ef94bd0b2c6c716298737236e359502a247b0634b30b26",
    "signature": "0xc2ce743a96820c4a07af982c1580cf0f24bc10e98d3c5e1fe0d7d2fe5c80b6e8608388bf43324d1cd888f79527d822c8e239f28f6c32fdc958959875fe219d141b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}