{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "928905974",
    "entityType": "User",
    "nonce": "0xf24dca223203a37941a80ef41b88e9a9474fc65e97b666789bc585906eaa0f5f",
    "signature": "0x2c723ab72bad708355cdc43fa987f5a420ffac6b447b8ca65ee14a7e21f202c3086212406958e45216a8cc95808b429caca3ee1d49a5780e981e6fd3d521582d1c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}