{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "898778028",
    "entityType": "User",
    "nonce": "0x0c1be7392894cd7a3fdbcbe708573bbe5baedfa1e667986fc4cd57796f1f928a",
    "signature": "0xa622b157c7861b3c8f16ed2faf4a05b79896c4bd185fc455128599d0cad313b96aeebfad1d413bad180f54d2de55a218e128fbdef79681a9ad024218446372b61c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}