{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327589",
    "entityType": "User",
    "nonce": "0x526f8c32749fe0c4e85f559040fc55c1525ba56bf7570e8ea2b40bc8d8756ebc",
    "signature": "0x98624ffc8980d59705cd7941de86642e213c9e04c86c4c77d420486789a3e90d5b5c3e11052e9b34d643f660aaf9521f66a5b09cd799f53aa1e7de00f44e35351c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}