{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x8ce386f98294233570c2f2670930157c4908653bfb9f1c9371e99735494eac24",
    "signature": "0x4b14e241e20d30804126d047fc269eca5dda489e5947d0d7aeadcdb766a6b1f838430813de0ce34d53daf4d22fc1d1ab7535e200f9ad0678b17c10cfaa48c4121c",
    "signer": "0x74d65eB1568b0121918A8BC0E51ebE62F9B11e1C",
    "userId": "655191484"
  }
}