{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389839",
    "entityType": "User",
    "nonce": "0x0a95c8793f6c4496705544ad6014bfa26b157377996e22b6d57575d5a58ac3c3",
    "signature": "0x2023f38265dca68e3c41553ea08e461920cb1599e2010dfa2e999f25c966dd193a5c20e78196419cd2b6f7058183a7fdbe305f8dadf8f040b68ac05762bd53601c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}