{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x730da52ab83a01a01d1492f6003ff6c507270a23eb8e9fa8ca2a384281b03e69",
    "signature": "0x979fe129a347ac194987ffa1f3e20c83e0e3dcbe9073231cdb7c0aaa5189853d076efca479aa76a29df8c13ee705a9d91e17024be408ddb72bb47a2a440427751c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}