{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193889654",
    "entityType": "User",
    "nonce": "0x86cee5b25dcee9dad8c2c6e3cf3f8f4646102aa1dc08e6fb133c215bba8eb14e",
    "signature": "0xeb04bd05d8aea2dbd534412823ad0275a3f50f730acee6901ee8fdf7e044b55d3b276ac1582d5ced4dc5ace9edbcaf250d125b546c459cb93e5e8fbe27675cf41c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}