{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101669",
    "entityType": "User",
    "nonce": "0x3f223eabeaac41543b3a4763d1a5be6a06965f0df02a84bf71a97d4ba9c8a2f7",
    "signature": "0xdbe3d0cac8b47392fa7fdb1394a80177e7355a9f4b220c1671ae6b2eb95e57f92b4b3704ce6f8e8f038c7644d0698553cfea2f8886294b64018a2f34ddc83af61c",
    "signer": "0xe0f1d0Ca199D9bec117385Ce8D99EEF3b6CcB37c",
    "userId": "109379"
  }
}