{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53139",
    "entityType": "User",
    "nonce": "0x0eec82305c56cf9ae11d307e57c5444debb79230390f29de8b6ee4bcc16fbc6d",
    "signature": "0x95c4fc9f1dee849bfd367d6b342d634113766a5de6af9ffd45ffbc7798ae4c62693d64cd515b554bd748209689ea19b86185922530d4ad5de5b9ea402768d5701c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}