{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x686da857342f2af430db06e14e84d5ff58c99d02f0635f6137f6f5b37326a4f8",
    "signature": "0x5dea3fed350f567de9587887792f9915efdbad0dec098df94a8a5c2ae04b9f062f9ebc67940598f03b20b9e82ed3b88c2c12adca423653ab2520bbe40053f97f1b",
    "signer": "0x913521Bf406DC23cc81dd8919455344AB13eD81E",
    "userId": "892127665"
  }
}