{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15825",
    "entityType": "User",
    "nonce": "0x3847754331df7515a296f10a8f4642bd0b345b1b0f66268b71075543697ac884",
    "signature": "0x0070f93c1e46bb42f29f4672ce56bc781645aa23d62ed3bfe579082c8beda55607b90d6f01f8aee08c49ec46171debc472b110f8b1cd9862718d356fd2f1af181b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}