{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199835",
    "entityType": "User",
    "nonce": "0x0171cfbb59060eff1ec03fe2abd5041797ede597400b43a525b0ccb283ad8019",
    "signature": "0x793d14246211019c7ca6c4983958b037d20870a5d2938d32935a546d49ced3713fa104285800d1ede875fe8b9f18068c781d8c595ed917746297a2db114d93c01c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}