{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326101",
    "entityType": "User",
    "nonce": "0x3bcd2fbf1cc5628170e525b34f08bf230e80b85bc78e5f037f47c5832afbe1dd",
    "signature": "0x117701e8941182bb04b5500d24c0797db1ec26a702c2d29e94c4f4ed2aeec24f4061d8b9f58990d5bcde309eba1554023e974ba56fdc86823d87a797675603191c",
    "signer": "0x3fB3464202dCA960F65e2706E5749EaFc41e4b48",
    "userId": "826685732"
  }
}