{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0x070c743c117907af163101904ffd4afc4dca047d953473c7135148f82c851ef0",
    "signature": "0x621d0e7c69e236e78be68d9100b34c8431fc31aeb4fa835fc68eda7e2b5730054ae82c452ce76e1f721435d4b88d8ef3f4ae3ba6a5c9dc4e6ba350953f5e26b31c",
    "signer": "0x2430B522Ee78E39EcA4459585fB89a2D1fd4A45d",
    "userId": "532102801"
  }
}