{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13609",
    "entityType": "User",
    "nonce": "0x93dc512a56bd11b7cff4eb84d329b4d9c7b3dd0865ed9c2aceb43be982588206",
    "signature": "0x3e665962a773cb861c68fdc087eade7aaf806c78d9a92dfb09f3e476ad2883d678d98fa5da47953b26381f39a29f858668b870c0f246121b973a18fb8955fcdf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}