{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76457",
    "entityType": "User",
    "nonce": "0x21f6194be09d98cff7620200ecd4dc5d4e035458566a27047853f0d20250db5b",
    "signature": "0x11c7f6687e7724c8edeca58d9199439074594824660d44f13ff309de74e013c5482bacded7c9aa6db52ffd555ffb349c335110f89dd89f75da44fd7487b8c2d61b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}