{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "540529323",
    "entityType": "User",
    "nonce": "0xc22f92fcd4e801f1ef66bcc6d3480eadb9a4c44f64a2d1c178bc1277e57bb8bf",
    "signature": "0xdd091894962df526b15a629a4eb45e7b1ebf487b355423f09ff433bef35213686eaa124b879bfd86d091cc586558a4343bce02d8d4e6517ff94d79deaf5ef7731b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}