{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "834064217",
    "entityType": "User",
    "nonce": "0x5b293efca5b882dc09415a2a8d2abfbc5fc0ccc0f521b49220734e38e8ea964a",
    "signature": "0xe56472562cc3e7271d20643af37d75ddbf051dfaa58f329a0cec09c6b308866e74dd8e009803f3da61be3ebfd65f4c9eecbb6296cb95b0f2950e5feaa131b8ff1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}