{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44564",
    "entityType": "User",
    "nonce": "0xfd392d7218988156d656848fc368ab2d4d6f8e3db8f7a7e983c31aa39119b63c",
    "signature": "0x93247d58fa54bc1cb138ffd541b0601fb2bf7fceebc36f65c68a4667debeaaa437ed994a7cdb3224b70e90dd40b377f7ee674c6473806b369e67bf48fbd8b1911b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}