{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494762277",
    "entityType": "User",
    "nonce": "0xb9ace26fce38f7b76ca187738368c83f59ccae8acb8e5c18a29aefaf81738e4e",
    "signature": "0x9ee23af422bad7859484d48f8f0902af5574d41ca839274960c4c25277140dc4142609d7d466150134c9f2daf636e767c2b2e4c922071053b1bf1f36c7d8783d1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}