{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x49cceaa9c61066c5f44aced348baf4f64721bf4e41959c5179f64431cf6cebb8",
    "signature": "0xe397fe5a2a269c7b8ffc0623c65b2625d6dacb28e7702ded7ed3b0f9fcad46e731a09fee332f25b9653a1c0e251523e892079981b859552149c72acf9ec626ee1c",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}