{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329513359",
    "entityType": "User",
    "nonce": "0xf3a11ff12661545519d1e785a0cfc51f912ab20f8daba1623b51910c4743ebe3",
    "signature": "0x469c25b87394f10bcf329f145238c00e9e0753f9a750867f6dd0f91c8574a7c05d8b7328daca11ab310e019951fb3aff0bb3fd8e2483ea89acf6bf54bedc3e0f1c",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}