{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124060",
    "entityType": "User",
    "nonce": "0xdffdacd47b808bccb360480fe1c3c8451173ad1d9650591bd46598f610cb06e9",
    "signature": "0xab74c110183cf1bd44eee029e17e9e7c93eaeb587bd724487ab4d9bcdb699e224a45c3570712bebbd4c9a89050cafbeadd05f3b28f5f6dec126f01c32aeb6b9d1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}