{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "776076",
    "entityType": "User",
    "nonce": "0xc4b0499adf8c7887d7595b3b5288305021382b2e7e15c4b8d8e400d2679e57cd",
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    "signer": "0xDf2ffE41EC259B85B3F9C88700b293499D4Ae6C5",
    "userId": "339350040"
  }
}