{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "699140",
    "entityType": "User",
    "nonce": "0xfc95404512213e42b91a90276ebbaa04a88933944ff386eba0e1295dbae166b7",
    "signature": "0xfa6670fcf096fb172528a813dd296ea4b6a56638627b2236a9b5132515db464a4f0c13bccab5bb7e7c18efda8b668bb70d95ae9d43988fe5c4cd7f91e400f5bd1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}