{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71990",
    "entityType": "User",
    "nonce": "0xc1349b8e991a067f1e9124287f694f3e138868887af3624203928abdb6fe7cc9",
    "signature": "0x5bf037f9dc8e9d17bdff3c64afe655f1c8526491fe85d2b056186bb080bf7d2b6d34cf5ef192a122bb0d42e9a6631b354964c946e3cbe534dbc8bb23cc0dc0f71c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}