{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "316328",
    "entityType": "User",
    "nonce": "0xeffdf436b8b951cbf241c2627d2b9dddcd91c9e79338253999fdbfc4e8283cf1",
    "signature": "0x58d14b953e8d074d5115415370885699898d7c6498282fedc43eb39d256ab4197cdddf7df245a5734cdc8c0defed890bb43b43d8b28ffba78de2168095aedbea1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}